3.188 \(\int \frac{(A+B \log (\frac{e (c+d x)}{a+b x}))^2}{(a g+b g x)^3} \, dx\)

Optimal. Leaf size=296 \[ \frac{b B (c+d x)^2 \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )}{2 g^3 (a+b x)^2 (b c-a d)^2}-\frac{b (c+d x)^2 \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )^2}{2 g^3 (a+b x)^2 (b c-a d)^2}+\frac{d (c+d x) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )^2}{g^3 (a+b x) (b c-a d)^2}-\frac{2 A B d (c+d x)}{g^3 (a+b x) (b c-a d)^2}-\frac{2 B^2 d (c+d x) \log \left (\frac{e (c+d x)}{a+b x}\right )}{g^3 (a+b x) (b c-a d)^2}-\frac{b B^2 (c+d x)^2}{4 g^3 (a+b x)^2 (b c-a d)^2}+\frac{2 B^2 d (c+d x)}{g^3 (a+b x) (b c-a d)^2} \]

[Out]

(-2*A*B*d*(c + d*x))/((b*c - a*d)^2*g^3*(a + b*x)) + (2*B^2*d*(c + d*x))/((b*c - a*d)^2*g^3*(a + b*x)) - (b*B^
2*(c + d*x)^2)/(4*(b*c - a*d)^2*g^3*(a + b*x)^2) - (2*B^2*d*(c + d*x)*Log[(e*(c + d*x))/(a + b*x)])/((b*c - a*
d)^2*g^3*(a + b*x)) + (b*B*(c + d*x)^2*(A + B*Log[(e*(c + d*x))/(a + b*x)]))/(2*(b*c - a*d)^2*g^3*(a + b*x)^2)
+ (d*(c + d*x)*(A + B*Log[(e*(c + d*x))/(a + b*x)])^2)/((b*c - a*d)^2*g^3*(a + b*x)) - (b*(c + d*x)^2*(A + B*
Log[(e*(c + d*x))/(a + b*x)])^2)/(2*(b*c - a*d)^2*g^3*(a + b*x)^2)

________________________________________________________________________________________

Rubi [C]  time = 0.910413, antiderivative size = 578, normalized size of antiderivative = 1.95, number of steps used = 30, number of rules used = 11, integrand size = 32, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.344, Rules used = {2525, 12, 2528, 44, 2524, 2418, 2390, 2301, 2394, 2393, 2391} \[ \frac{B^2 d^2 \text{PolyLog}\left (2,-\frac{d (a+b x)}{b c-a d}\right )}{b g^3 (b c-a d)^2}+\frac{B^2 d^2 \text{PolyLog}\left (2,\frac{b (c+d x)}{b c-a d}\right )}{b g^3 (b c-a d)^2}-\frac{B d^2 \log (a+b x) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )}{b g^3 (b c-a d)^2}+\frac{B d^2 \log (c+d x) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )}{b g^3 (b c-a d)^2}-\frac{B d \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )}{b g^3 (a+b x) (b c-a d)}+\frac{B \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )}{2 b g^3 (a+b x)^2}-\frac{\left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )^2}{2 b g^3 (a+b x)^2}-\frac{B^2 d^2 \log ^2(a+b x)}{2 b g^3 (b c-a d)^2}-\frac{B^2 d^2 \log ^2(c+d x)}{2 b g^3 (b c-a d)^2}+\frac{3 B^2 d^2 \log (a+b x)}{2 b g^3 (b c-a d)^2}+\frac{B^2 d^2 \log (c+d x) \log \left (-\frac{d (a+b x)}{b c-a d}\right )}{b g^3 (b c-a d)^2}-\frac{3 B^2 d^2 \log (c+d x)}{2 b g^3 (b c-a d)^2}+\frac{B^2 d^2 \log (a+b x) \log \left (\frac{b (c+d x)}{b c-a d}\right )}{b g^3 (b c-a d)^2}+\frac{3 B^2 d}{2 b g^3 (a+b x) (b c-a d)}-\frac{B^2}{4 b g^3 (a+b x)^2} \]

Antiderivative was successfully verified.

[In]

Int[(A + B*Log[(e*(c + d*x))/(a + b*x)])^2/(a*g + b*g*x)^3,x]

[Out]

-B^2/(4*b*g^3*(a + b*x)^2) + (3*B^2*d)/(2*b*(b*c - a*d)*g^3*(a + b*x)) + (3*B^2*d^2*Log[a + b*x])/(2*b*(b*c -
a*d)^2*g^3) - (B^2*d^2*Log[a + b*x]^2)/(2*b*(b*c - a*d)^2*g^3) - (3*B^2*d^2*Log[c + d*x])/(2*b*(b*c - a*d)^2*g
^3) + (B^2*d^2*Log[-((d*(a + b*x))/(b*c - a*d))]*Log[c + d*x])/(b*(b*c - a*d)^2*g^3) - (B^2*d^2*Log[c + d*x]^2
)/(2*b*(b*c - a*d)^2*g^3) + (B^2*d^2*Log[a + b*x]*Log[(b*(c + d*x))/(b*c - a*d)])/(b*(b*c - a*d)^2*g^3) + (B*(
A + B*Log[(e*(c + d*x))/(a + b*x)]))/(2*b*g^3*(a + b*x)^2) - (B*d*(A + B*Log[(e*(c + d*x))/(a + b*x)]))/(b*(b*
c - a*d)*g^3*(a + b*x)) - (B*d^2*Log[a + b*x]*(A + B*Log[(e*(c + d*x))/(a + b*x)]))/(b*(b*c - a*d)^2*g^3) + (B
*d^2*Log[c + d*x]*(A + B*Log[(e*(c + d*x))/(a + b*x)]))/(b*(b*c - a*d)^2*g^3) - (A + B*Log[(e*(c + d*x))/(a +
b*x)])^2/(2*b*g^3*(a + b*x)^2) + (B^2*d^2*PolyLog[2, -((d*(a + b*x))/(b*c - a*d))])/(b*(b*c - a*d)^2*g^3) + (B
^2*d^2*PolyLog[2, (b*(c + d*x))/(b*c - a*d)])/(b*(b*c - a*d)^2*g^3)

Rule 2525

Int[((a_.) + Log[(c_.)*(RFx_)^(p_.)]*(b_.))^(n_.)*((d_.) + (e_.)*(x_))^(m_.), x_Symbol] :> Simp[((d + e*x)^(m
+ 1)*(a + b*Log[c*RFx^p])^n)/(e*(m + 1)), x] - Dist[(b*n*p)/(e*(m + 1)), Int[SimplifyIntegrand[((d + e*x)^(m +
1)*(a + b*Log[c*RFx^p])^(n - 1)*D[RFx, x])/RFx, x], x], x] /; FreeQ[{a, b, c, d, e, m, p}, x] && RationalFunc
tionQ[RFx, x] && IGtQ[n, 0] && (EqQ[n, 1] || IntegerQ[m]) && NeQ[m, -1]

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 2528

Int[((a_.) + Log[(c_.)*(RFx_)^(p_.)]*(b_.))^(n_.)*(RGx_), x_Symbol] :> With[{u = ExpandIntegrand[(a + b*Log[c*
RFx^p])^n, RGx, x]}, Int[u, x] /; SumQ[u]] /; FreeQ[{a, b, c, p}, x] && RationalFunctionQ[RFx, x] && RationalF
unctionQ[RGx, x] && IGtQ[n, 0]

Rule 44

Int[((a_) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d*
x)^n, x], x] /; FreeQ[{a, b, c, d}, x] && NeQ[b*c - a*d, 0] && ILtQ[m, 0] && IntegerQ[n] &&  !(IGtQ[n, 0] && L
tQ[m + n + 2, 0])

Rule 2524

Int[((a_.) + Log[(c_.)*(RFx_)^(p_.)]*(b_.))^(n_.)/((d_.) + (e_.)*(x_)), x_Symbol] :> Simp[(Log[d + e*x]*(a + b
*Log[c*RFx^p])^n)/e, x] - Dist[(b*n*p)/e, Int[(Log[d + e*x]*(a + b*Log[c*RFx^p])^(n - 1)*D[RFx, x])/RFx, x], x
] /; FreeQ[{a, b, c, d, e, p}, x] && RationalFunctionQ[RFx, x] && IGtQ[n, 0]

Rule 2418

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))^(p_.)*(RFx_), x_Symbol] :> With[{u = ExpandIntegrand[
(a + b*Log[c*(d + e*x)^n])^p, RFx, x]}, Int[u, x] /; SumQ[u]] /; FreeQ[{a, b, c, d, e, n}, x] && RationalFunct
ionQ[RFx, x] && IntegerQ[p]

Rule 2390

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))^(p_.)*((f_) + (g_.)*(x_))^(q_.), x_Symbol] :> Dist[1/
e, Subst[Int[((f*x)/d)^q*(a + b*Log[c*x^n])^p, x], x, d + e*x], x] /; FreeQ[{a, b, c, d, e, f, g, n, p, q}, x]
&& EqQ[e*f - d*g, 0]

Rule 2301

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))/(x_), x_Symbol] :> Simp[(a + b*Log[c*x^n])^2/(2*b*n), x] /; FreeQ[{a
, b, c, n}, x]

Rule 2394

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))^(n_.)]*(b_.))/((f_.) + (g_.)*(x_)), x_Symbol] :> Simp[(Log[(e*(f +
g*x))/(e*f - d*g)]*(a + b*Log[c*(d + e*x)^n]))/g, x] - Dist[(b*e*n)/g, Int[Log[(e*(f + g*x))/(e*f - d*g)]/(d +
e*x), x], x] /; FreeQ[{a, b, c, d, e, f, g, n}, x] && NeQ[e*f - d*g, 0]

Rule 2393

Int[((a_.) + Log[(c_.)*((d_) + (e_.)*(x_))]*(b_.))/((f_.) + (g_.)*(x_)), x_Symbol] :> Dist[1/g, Subst[Int[(a +
b*Log[1 + (c*e*x)/g])/x, x], x, f + g*x], x] /; FreeQ[{a, b, c, d, e, f, g}, x] && NeQ[e*f - d*g, 0] && EqQ[g
+ c*(e*f - d*g), 0]

Rule 2391

Int[Log[(c_.)*((d_) + (e_.)*(x_)^(n_.))]/(x_), x_Symbol] :> -Simp[PolyLog[2, -(c*e*x^n)]/n, x] /; FreeQ[{c, d,
e, n}, x] && EqQ[c*d, 1]

Rubi steps

\begin{align*} \int \frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{(a g+b g x)^3} \, dx &=-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}+\frac{B \int \frac{(b c-a d) \left (-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{g^2 (a+b x)^3 (c+d x)} \, dx}{b g}\\ &=-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}+\frac{(B (b c-a d)) \int \frac{-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )}{(a+b x)^3 (c+d x)} \, dx}{b g^3}\\ &=-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}+\frac{(B (b c-a d)) \int \left (\frac{b \left (-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{(b c-a d) (a+b x)^3}-\frac{b d \left (-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{(b c-a d)^2 (a+b x)^2}+\frac{b d^2 \left (-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{(b c-a d)^3 (a+b x)}-\frac{d^3 \left (-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{(b c-a d)^3 (c+d x)}\right ) \, dx}{b g^3}\\ &=-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}+\frac{B \int \frac{-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )}{(a+b x)^3} \, dx}{g^3}+\frac{\left (B d^2\right ) \int \frac{-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )}{a+b x} \, dx}{(b c-a d)^2 g^3}-\frac{\left (B d^3\right ) \int \frac{-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )}{c+d x} \, dx}{b (b c-a d)^2 g^3}-\frac{(B d) \int \frac{-A-B \log \left (\frac{e (c+d x)}{a+b x}\right )}{(a+b x)^2} \, dx}{(b c-a d) g^3}\\ &=\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{B^2 \int \frac{-b c+a d}{(a+b x)^3 (c+d x)} \, dx}{2 b g^3}+\frac{\left (B^2 d^2\right ) \int \frac{(a+b x) \left (\frac{d e}{a+b x}-\frac{b e (c+d x)}{(a+b x)^2}\right ) \log (a+b x)}{e (c+d x)} \, dx}{b (b c-a d)^2 g^3}-\frac{\left (B^2 d^2\right ) \int \frac{(a+b x) \left (\frac{d e}{a+b x}-\frac{b e (c+d x)}{(a+b x)^2}\right ) \log (c+d x)}{e (c+d x)} \, dx}{b (b c-a d)^2 g^3}+\frac{\left (B^2 d\right ) \int \frac{-b c+a d}{(a+b x)^2 (c+d x)} \, dx}{b (b c-a d) g^3}\\ &=\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{\left (B^2 d\right ) \int \frac{1}{(a+b x)^2 (c+d x)} \, dx}{b g^3}+\frac{\left (B^2 (b c-a d)\right ) \int \frac{1}{(a+b x)^3 (c+d x)} \, dx}{2 b g^3}+\frac{\left (B^2 d^2\right ) \int \frac{(a+b x) \left (\frac{d e}{a+b x}-\frac{b e (c+d x)}{(a+b x)^2}\right ) \log (a+b x)}{c+d x} \, dx}{b (b c-a d)^2 e g^3}-\frac{\left (B^2 d^2\right ) \int \frac{(a+b x) \left (\frac{d e}{a+b x}-\frac{b e (c+d x)}{(a+b x)^2}\right ) \log (c+d x)}{c+d x} \, dx}{b (b c-a d)^2 e g^3}\\ &=\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{\left (B^2 d\right ) \int \left (\frac{b}{(b c-a d) (a+b x)^2}-\frac{b d}{(b c-a d)^2 (a+b x)}+\frac{d^2}{(b c-a d)^2 (c+d x)}\right ) \, dx}{b g^3}+\frac{\left (B^2 (b c-a d)\right ) \int \left (\frac{b}{(b c-a d) (a+b x)^3}-\frac{b d}{(b c-a d)^2 (a+b x)^2}+\frac{b d^2}{(b c-a d)^3 (a+b x)}-\frac{d^3}{(b c-a d)^3 (c+d x)}\right ) \, dx}{2 b g^3}+\frac{\left (B^2 d^2\right ) \int \left (-\frac{b e \log (a+b x)}{a+b x}+\frac{d e \log (a+b x)}{c+d x}\right ) \, dx}{b (b c-a d)^2 e g^3}-\frac{\left (B^2 d^2\right ) \int \left (-\frac{b e \log (c+d x)}{a+b x}+\frac{d e \log (c+d x)}{c+d x}\right ) \, dx}{b (b c-a d)^2 e g^3}\\ &=-\frac{B^2}{4 b g^3 (a+b x)^2}+\frac{3 B^2 d}{2 b (b c-a d) g^3 (a+b x)}+\frac{3 B^2 d^2 \log (a+b x)}{2 b (b c-a d)^2 g^3}-\frac{3 B^2 d^2 \log (c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{\left (B^2 d^2\right ) \int \frac{\log (a+b x)}{a+b x} \, dx}{(b c-a d)^2 g^3}+\frac{\left (B^2 d^2\right ) \int \frac{\log (c+d x)}{a+b x} \, dx}{(b c-a d)^2 g^3}+\frac{\left (B^2 d^3\right ) \int \frac{\log (a+b x)}{c+d x} \, dx}{b (b c-a d)^2 g^3}-\frac{\left (B^2 d^3\right ) \int \frac{\log (c+d x)}{c+d x} \, dx}{b (b c-a d)^2 g^3}\\ &=-\frac{B^2}{4 b g^3 (a+b x)^2}+\frac{3 B^2 d}{2 b (b c-a d) g^3 (a+b x)}+\frac{3 B^2 d^2 \log (a+b x)}{2 b (b c-a d)^2 g^3}-\frac{3 B^2 d^2 \log (c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log \left (-\frac{d (a+b x)}{b c-a d}\right ) \log (c+d x)}{b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log (a+b x) \log \left (\frac{b (c+d x)}{b c-a d}\right )}{b (b c-a d)^2 g^3}+\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{\left (B^2 d^2\right ) \int \frac{\log \left (\frac{b (c+d x)}{b c-a d}\right )}{a+b x} \, dx}{(b c-a d)^2 g^3}-\frac{\left (B^2 d^2\right ) \operatorname{Subst}\left (\int \frac{\log (x)}{x} \, dx,x,a+b x\right )}{b (b c-a d)^2 g^3}-\frac{\left (B^2 d^2\right ) \operatorname{Subst}\left (\int \frac{\log (x)}{x} \, dx,x,c+d x\right )}{b (b c-a d)^2 g^3}-\frac{\left (B^2 d^3\right ) \int \frac{\log \left (\frac{d (a+b x)}{-b c+a d}\right )}{c+d x} \, dx}{b (b c-a d)^2 g^3}\\ &=-\frac{B^2}{4 b g^3 (a+b x)^2}+\frac{3 B^2 d}{2 b (b c-a d) g^3 (a+b x)}+\frac{3 B^2 d^2 \log (a+b x)}{2 b (b c-a d)^2 g^3}-\frac{B^2 d^2 \log ^2(a+b x)}{2 b (b c-a d)^2 g^3}-\frac{3 B^2 d^2 \log (c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log \left (-\frac{d (a+b x)}{b c-a d}\right ) \log (c+d x)}{b (b c-a d)^2 g^3}-\frac{B^2 d^2 \log ^2(c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log (a+b x) \log \left (\frac{b (c+d x)}{b c-a d}\right )}{b (b c-a d)^2 g^3}+\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}-\frac{\left (B^2 d^2\right ) \operatorname{Subst}\left (\int \frac{\log \left (1+\frac{d x}{b c-a d}\right )}{x} \, dx,x,a+b x\right )}{b (b c-a d)^2 g^3}-\frac{\left (B^2 d^2\right ) \operatorname{Subst}\left (\int \frac{\log \left (1+\frac{b x}{-b c+a d}\right )}{x} \, dx,x,c+d x\right )}{b (b c-a d)^2 g^3}\\ &=-\frac{B^2}{4 b g^3 (a+b x)^2}+\frac{3 B^2 d}{2 b (b c-a d) g^3 (a+b x)}+\frac{3 B^2 d^2 \log (a+b x)}{2 b (b c-a d)^2 g^3}-\frac{B^2 d^2 \log ^2(a+b x)}{2 b (b c-a d)^2 g^3}-\frac{3 B^2 d^2 \log (c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log \left (-\frac{d (a+b x)}{b c-a d}\right ) \log (c+d x)}{b (b c-a d)^2 g^3}-\frac{B^2 d^2 \log ^2(c+d x)}{2 b (b c-a d)^2 g^3}+\frac{B^2 d^2 \log (a+b x) \log \left (\frac{b (c+d x)}{b c-a d}\right )}{b (b c-a d)^2 g^3}+\frac{B \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{2 b g^3 (a+b x)^2}-\frac{B d \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d) g^3 (a+b x)}-\frac{B d^2 \log (a+b x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}+\frac{B d^2 \log (c+d x) \left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )}{b (b c-a d)^2 g^3}-\frac{\left (A+B \log \left (\frac{e (c+d x)}{a+b x}\right )\right )^2}{2 b g^3 (a+b x)^2}+\frac{B^2 d^2 \text{Li}_2\left (-\frac{d (a+b x)}{b c-a d}\right )}{b (b c-a d)^2 g^3}+\frac{B^2 d^2 \text{Li}_2\left (\frac{b (c+d x)}{b c-a d}\right )}{b (b c-a d)^2 g^3}\\ \end{align*}

Mathematica [C]  time = 0.476015, size = 444, normalized size = 1.5 \[ \frac{\frac{B \left (-2 B d^2 (a+b x)^2 \left (\log (a+b x) \left (\log (a+b x)-2 \log \left (\frac{b (c+d x)}{b c-a d}\right )\right )-2 \text{PolyLog}\left (2,\frac{d (a+b x)}{a d-b c}\right )\right )+2 B d^2 (a+b x)^2 \left (2 \text{PolyLog}\left (2,\frac{b (c+d x)}{b c-a d}\right )+\log (c+d x) \left (2 \log \left (\frac{d (a+b x)}{a d-b c}\right )-\log (c+d x)\right )\right )-4 d^2 (a+b x)^2 \log (a+b x) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )+4 d^2 (a+b x)^2 \log (c+d x) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )+2 (b c-a d)^2 \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )+4 d (a+b x) (a d-b c) \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )-B \left (2 d^2 (a+b x)^2 \log (c+d x)+2 d (a+b x) (a d-b c)+(b c-a d)^2-2 d^2 (a+b x)^2 \log (a+b x)\right )+4 B d (a+b x) (-d (a+b x) \log (c+d x)+d (a+b x) \log (a+b x)-a d+b c)\right )}{(b c-a d)^2}-2 \left (B \log \left (\frac{e (c+d x)}{a+b x}\right )+A\right )^2}{4 b g^3 (a+b x)^2} \]

Antiderivative was successfully verified.

[In]

Integrate[(A + B*Log[(e*(c + d*x))/(a + b*x)])^2/(a*g + b*g*x)^3,x]

[Out]

(-2*(A + B*Log[(e*(c + d*x))/(a + b*x)])^2 + (B*(4*B*d*(a + b*x)*(b*c - a*d + d*(a + b*x)*Log[a + b*x] - d*(a
+ b*x)*Log[c + d*x]) - B*((b*c - a*d)^2 + 2*d*(-(b*c) + a*d)*(a + b*x) - 2*d^2*(a + b*x)^2*Log[a + b*x] + 2*d^
2*(a + b*x)^2*Log[c + d*x]) + 2*(b*c - a*d)^2*(A + B*Log[(e*(c + d*x))/(a + b*x)]) + 4*d*(-(b*c) + a*d)*(a + b
*x)*(A + B*Log[(e*(c + d*x))/(a + b*x)]) - 4*d^2*(a + b*x)^2*Log[a + b*x]*(A + B*Log[(e*(c + d*x))/(a + b*x)])
+ 4*d^2*(a + b*x)^2*Log[c + d*x]*(A + B*Log[(e*(c + d*x))/(a + b*x)]) - 2*B*d^2*(a + b*x)^2*(Log[a + b*x]*(Lo
g[a + b*x] - 2*Log[(b*(c + d*x))/(b*c - a*d)]) - 2*PolyLog[2, (d*(a + b*x))/(-(b*c) + a*d)]) + 2*B*d^2*(a + b*
x)^2*((2*Log[(d*(a + b*x))/(-(b*c) + a*d)] - Log[c + d*x])*Log[c + d*x] + 2*PolyLog[2, (b*(c + d*x))/(b*c - a*
d)])))/(b*c - a*d)^2)/(4*b*g^3*(a + b*x)^2)

________________________________________________________________________________________

Maple [B]  time = 0.053, size = 1934, normalized size = 6.5 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((A+B*ln(e*(d*x+c)/(b*x+a)))^2/(b*g*x+a*g)^3,x)

[Out]

b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))*d/(b*x+a)*c^2-3/2/b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-
b*c)/b/(b*x+a))*d^3*a+3/2/(a*d-b*c)^3/g^3*A*B*d^2*c+b/(a*d-b*c)^3/g^3*A*B*d/(b*x+a)*c^2+1/b/(a*d-b*c)^3/g^3*A*
B*d^3/(b*x+a)*a^2-3/4*b/(a*d-b*c)^3/g^3*B^2/(b*x+a)^2*c^2*a*d+1/2/b/(a*d-b*c)^3/g^3*A*B/(b*x+a)^2*a^3*d^3-3/2*
b/(a*d-b*c)^3/g^3*A^2/(b*x+a)^2*a*d*c^2+1/b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))*d^3/(b*x+a)*a^
2-3/2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*a^2*d^2*c+1/b/(a*d-b*c)^3/g^3*A*B*ln(d*e/b
-e*(a*d-b*c)/b/(b*x+a))*d^3*a-1/2/b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))^2/(b*x+a)^2*a^3*d^3-3/
2/(a*d-b*c)^3/g^3*A*B/(b*x+a)^2*a^2*d^2*c-2/(a*d-b*c)^3/g^3*A*B*d^2/(b*x+a)*a*c+b^2/(a*d-b*c)^3/g^3*A*B*ln(d*e
/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*c^3+1/2/b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*a^
3*d^3-3/2/b/(a*d-b*c)^3/g^3*A*B*d^3*a+3/2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))^2/(b*x+a)^2*a^2*
d^2*c-2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))*d^2/(b*x+a)*a*c+1/2/b/(a*d-b*c)^3/g^3*A^2*d^3*a-1/
2/(a*d-b*c)^3/g^3*A^2*d^2*c-7/4/(a*d-b*c)^3/g^3*B^2*d^2*c-1/2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+
a))^2*d^2*c+3/4/(a*d-b*c)^3/g^3*B^2/(b*x+a)^2*a^2*d^2*c+3/(a*d-b*c)^3/g^3*B^2*d^2/(b*x+a)*c*a+1/2*b^2/(a*d-b*c
)^3/g^3*A^2/(b*x+a)^2*c^3+1/4*b^2/(a*d-b*c)^3/g^3*B^2/(b*x+a)^2*c^3+3/2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*
c)/b/(b*x+a))*d^2*c-1/4/b/(a*d-b*c)^3/g^3*B^2/(b*x+a)^2*a^3*d^3-3/2/b/(a*d-b*c)^3/g^3*B^2*d^3/(b*x+a)*a^2-1/(a
*d-b*c)^3/g^3*A*B*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))*d^2*c+7/4/b/(a*d-b*c)^3/g^3*B^2*d^3*a-1/2*b^2/(a*d-b*c)^3/g^
3*A*B/(b*x+a)^2*c^3-1/2/b/(a*d-b*c)^3/g^3*A^2/(b*x+a)^2*a^3*d^3-1/2*b^2/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*
c)/b/(b*x+a))/(b*x+a)^2*c^3+1/2/b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))^2*d^3*a+1/2*b^2/(a*d-b*c
)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))^2/(b*x+a)^2*c^3-3/2*b/(a*d-b*c)^3/g^3*B^2*d/(b*x+a)*c^2+3/2/(a*d-b
*c)^3/g^3*A^2/(b*x+a)^2*a^2*d^2*c-3*b/(a*d-b*c)^3/g^3*A*B*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*c^2*a*d-1/
b/(a*d-b*c)^3/g^3*A*B*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*a^3*d^3-3/2*b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(
a*d-b*c)/b/(b*x+a))^2/(b*x+a)^2*c^2*a*d+3/2*b/(a*d-b*c)^3/g^3*B^2*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a)^2*c^
2*a*d+3/2*b/(a*d-b*c)^3/g^3*A*B/(b*x+a)^2*c^2*a*d+3/(a*d-b*c)^3/g^3*A*B*ln(d*e/b-e*(a*d-b*c)/b/(b*x+a))/(b*x+a
)^2*a^2*d^2*c

________________________________________________________________________________________

Maxima [B]  time = 1.54714, size = 1143, normalized size = 3.86 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((A+B*log(e*(d*x+c)/(b*x+a)))^2/(b*g*x+a*g)^3,x, algorithm="maxima")

[Out]

-1/4*(2*((2*b*d*x - b*c + 3*a*d)/((b^4*c - a*b^3*d)*g^3*x^2 + 2*(a*b^3*c - a^2*b^2*d)*g^3*x + (a^2*b^2*c - a^3
*b*d)*g^3) + 2*d^2*log(b*x + a)/((b^3*c^2 - 2*a*b^2*c*d + a^2*b*d^2)*g^3) - 2*d^2*log(d*x + c)/((b^3*c^2 - 2*a
*b^2*c*d + a^2*b*d^2)*g^3))*log(d*e*x/(b*x + a) + c*e/(b*x + a)) + (b^2*c^2 - 8*a*b*c*d + 7*a^2*d^2 + 2*(b^2*d
^2*x^2 + 2*a*b*d^2*x + a^2*d^2)*log(b*x + a)^2 + 2*(b^2*d^2*x^2 + 2*a*b*d^2*x + a^2*d^2)*log(d*x + c)^2 - 6*(b
^2*c*d - a*b*d^2)*x - 6*(b^2*d^2*x^2 + 2*a*b*d^2*x + a^2*d^2)*log(b*x + a) + 2*(3*b^2*d^2*x^2 + 6*a*b*d^2*x +
3*a^2*d^2 - 2*(b^2*d^2*x^2 + 2*a*b*d^2*x + a^2*d^2)*log(b*x + a))*log(d*x + c))/(a^2*b^3*c^2*g^3 - 2*a^3*b^2*c
*d*g^3 + a^4*b*d^2*g^3 + (b^5*c^2*g^3 - 2*a*b^4*c*d*g^3 + a^2*b^3*d^2*g^3)*x^2 + 2*(a*b^4*c^2*g^3 - 2*a^2*b^3*
c*d*g^3 + a^3*b^2*d^2*g^3)*x))*B^2 - 1/2*A*B*((2*b*d*x - b*c + 3*a*d)/((b^4*c - a*b^3*d)*g^3*x^2 + 2*(a*b^3*c
- a^2*b^2*d)*g^3*x + (a^2*b^2*c - a^3*b*d)*g^3) + 2*log(d*e*x/(b*x + a) + c*e/(b*x + a))/(b^3*g^3*x^2 + 2*a*b^
2*g^3*x + a^2*b*g^3) + 2*d^2*log(b*x + a)/((b^3*c^2 - 2*a*b^2*c*d + a^2*b*d^2)*g^3) - 2*d^2*log(d*x + c)/((b^3
*c^2 - 2*a*b^2*c*d + a^2*b*d^2)*g^3)) - 1/2*B^2*log(d*e*x/(b*x + a) + c*e/(b*x + a))^2/(b^3*g^3*x^2 + 2*a*b^2*
g^3*x + a^2*b*g^3) - 1/2*A^2/(b^3*g^3*x^2 + 2*a*b^2*g^3*x + a^2*b*g^3)

________________________________________________________________________________________

Fricas [A]  time = 1.0752, size = 767, normalized size = 2.59 \begin{align*} -\frac{{\left (2 \, A^{2} - 2 \, A B + B^{2}\right )} b^{2} c^{2} - 4 \,{\left (A^{2} - 2 \, A B + 2 \, B^{2}\right )} a b c d +{\left (2 \, A^{2} - 6 \, A B + 7 \, B^{2}\right )} a^{2} d^{2} - 2 \,{\left (B^{2} b^{2} d^{2} x^{2} + 2 \, B^{2} a b d^{2} x - B^{2} b^{2} c^{2} + 2 \, B^{2} a b c d\right )} \log \left (\frac{d e x + c e}{b x + a}\right )^{2} + 2 \,{\left ({\left (2 \, A B - 3 \, B^{2}\right )} b^{2} c d -{\left (2 \, A B - 3 \, B^{2}\right )} a b d^{2}\right )} x - 2 \,{\left ({\left (2 \, A B - 3 \, B^{2}\right )} b^{2} d^{2} x^{2} -{\left (2 \, A B - B^{2}\right )} b^{2} c^{2} + 4 \,{\left (A B - B^{2}\right )} a b c d - 2 \,{\left (B^{2} b^{2} c d - 2 \,{\left (A B - B^{2}\right )} a b d^{2}\right )} x\right )} \log \left (\frac{d e x + c e}{b x + a}\right )}{4 \,{\left ({\left (b^{5} c^{2} - 2 \, a b^{4} c d + a^{2} b^{3} d^{2}\right )} g^{3} x^{2} + 2 \,{\left (a b^{4} c^{2} - 2 \, a^{2} b^{3} c d + a^{3} b^{2} d^{2}\right )} g^{3} x +{\left (a^{2} b^{3} c^{2} - 2 \, a^{3} b^{2} c d + a^{4} b d^{2}\right )} g^{3}\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((A+B*log(e*(d*x+c)/(b*x+a)))^2/(b*g*x+a*g)^3,x, algorithm="fricas")

[Out]

-1/4*((2*A^2 - 2*A*B + B^2)*b^2*c^2 - 4*(A^2 - 2*A*B + 2*B^2)*a*b*c*d + (2*A^2 - 6*A*B + 7*B^2)*a^2*d^2 - 2*(B
^2*b^2*d^2*x^2 + 2*B^2*a*b*d^2*x - B^2*b^2*c^2 + 2*B^2*a*b*c*d)*log((d*e*x + c*e)/(b*x + a))^2 + 2*((2*A*B - 3
*B^2)*b^2*c*d - (2*A*B - 3*B^2)*a*b*d^2)*x - 2*((2*A*B - 3*B^2)*b^2*d^2*x^2 - (2*A*B - B^2)*b^2*c^2 + 4*(A*B -
B^2)*a*b*c*d - 2*(B^2*b^2*c*d - 2*(A*B - B^2)*a*b*d^2)*x)*log((d*e*x + c*e)/(b*x + a)))/((b^5*c^2 - 2*a*b^4*c
*d + a^2*b^3*d^2)*g^3*x^2 + 2*(a*b^4*c^2 - 2*a^2*b^3*c*d + a^3*b^2*d^2)*g^3*x + (a^2*b^3*c^2 - 2*a^3*b^2*c*d +
a^4*b*d^2)*g^3)

________________________________________________________________________________________

Sympy [B]  time = 6.71012, size = 892, normalized size = 3.01 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((A+B*ln(e*(d*x+c)/(b*x+a)))**2/(b*g*x+a*g)**3,x)

[Out]

B*d**2*(2*A - 3*B)*log(x + (2*A*B*a*d**3 + 2*A*B*b*c*d**2 - 3*B**2*a*d**3 - 3*B**2*b*c*d**2 - B*a**3*d**5*(2*A
- 3*B)/(a*d - b*c)**2 + 3*B*a**2*b*c*d**4*(2*A - 3*B)/(a*d - b*c)**2 - 3*B*a*b**2*c**2*d**3*(2*A - 3*B)/(a*d
- b*c)**2 + B*b**3*c**3*d**2*(2*A - 3*B)/(a*d - b*c)**2)/(4*A*B*b*d**3 - 6*B**2*b*d**3))/(2*b*g**3*(a*d - b*c)
**2) - B*d**2*(2*A - 3*B)*log(x + (2*A*B*a*d**3 + 2*A*B*b*c*d**2 - 3*B**2*a*d**3 - 3*B**2*b*c*d**2 + B*a**3*d*
*5*(2*A - 3*B)/(a*d - b*c)**2 - 3*B*a**2*b*c*d**4*(2*A - 3*B)/(a*d - b*c)**2 + 3*B*a*b**2*c**2*d**3*(2*A - 3*B
)/(a*d - b*c)**2 - B*b**3*c**3*d**2*(2*A - 3*B)/(a*d - b*c)**2)/(4*A*B*b*d**3 - 6*B**2*b*d**3))/(2*b*g**3*(a*d
- b*c)**2) + (2*B**2*a*c*d + 2*B**2*a*d**2*x - B**2*b*c**2 + B**2*b*d**2*x**2)*log(e*(c + d*x)/(a + b*x))**2/
(2*a**4*d**2*g**3 - 4*a**3*b*c*d*g**3 + 4*a**3*b*d**2*g**3*x + 2*a**2*b**2*c**2*g**3 - 8*a**2*b**2*c*d*g**3*x
+ 2*a**2*b**2*d**2*g**3*x**2 + 4*a*b**3*c**2*g**3*x - 4*a*b**3*c*d*g**3*x**2 + 2*b**4*c**2*g**3*x**2) + (-2*A*
B*a*d + 2*A*B*b*c + 3*B**2*a*d - B**2*b*c + 2*B**2*b*d*x)*log(e*(c + d*x)/(a + b*x))/(2*a**3*b*d*g**3 - 2*a**2
*b**2*c*g**3 + 4*a**2*b**2*d*g**3*x - 4*a*b**3*c*g**3*x + 2*a*b**3*d*g**3*x**2 - 2*b**4*c*g**3*x**2) + (-2*A**
2*a*d + 2*A**2*b*c + 6*A*B*a*d - 2*A*B*b*c - 7*B**2*a*d + B**2*b*c + x*(4*A*B*b*d - 6*B**2*b*d))/(4*a**3*b*d*g
**3 - 4*a**2*b**2*c*g**3 + x**2*(4*a*b**3*d*g**3 - 4*b**4*c*g**3) + x*(8*a**2*b**2*d*g**3 - 8*a*b**3*c*g**3))

________________________________________________________________________________________

Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\left (B \log \left (\frac{{\left (d x + c\right )} e}{b x + a}\right ) + A\right )}^{2}}{{\left (b g x + a g\right )}^{3}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((A+B*log(e*(d*x+c)/(b*x+a)))^2/(b*g*x+a*g)^3,x, algorithm="giac")

[Out]

integrate((B*log((d*x + c)*e/(b*x + a)) + A)^2/(b*g*x + a*g)^3, x)