3.2.36 \(\int (e+f x)^2 (a+b \cot ^{-1}(c+d x))^2 \, dx\) [136]

Optimal. Leaf size=382 \[ \frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {i \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \text {ArcTan}(c+d x)}{3 d^3}-\frac {2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right ) \log \left (\frac {2}{1+i (c+d x)}\right )}{3 d^3}+\frac {b^2 f (d e-c f) \log \left (1+(c+d x)^2\right )}{d^3}+\frac {i b^2 \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \text {PolyLog}\left (2,1-\frac {2}{1+i (c+d x)}\right )}{3 d^3} \]

[Out]

1/3*b^2*f^2*x/d^2+2*a*b*f*(-c*f+d*e)*x/d^2+2*b^2*f*(-c*f+d*e)*(d*x+c)*arccot(d*x+c)/d^3+1/3*b*f^2*(d*x+c)^2*(a
+b*arccot(d*x+c))/d^3+1/3*I*(3*d^2*e^2-6*c*d*e*f-(-3*c^2+1)*f^2)*(a+b*arccot(d*x+c))^2/d^3-1/3*(-c*f+d*e)*(d^2
*e^2-2*c*d*e*f-(-c^2+3)*f^2)*(a+b*arccot(d*x+c))^2/d^3/f+1/3*(f*x+e)^3*(a+b*arccot(d*x+c))^2/f-1/3*b^2*f^2*arc
tan(d*x+c)/d^3-2/3*b*(3*d^2*e^2-6*c*d*e*f-(-3*c^2+1)*f^2)*(a+b*arccot(d*x+c))*ln(2/(1+I*(d*x+c)))/d^3+b^2*f*(-
c*f+d*e)*ln(1+(d*x+c)^2)/d^3+1/3*I*b^2*(3*d^2*e^2-6*c*d*e*f-(-3*c^2+1)*f^2)*polylog(2,1-2/(1+I*(d*x+c)))/d^3

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Rubi [A]
time = 0.43, antiderivative size = 382, normalized size of antiderivative = 1.00, number of steps used = 16, number of rules used = 13, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.650, Rules used = {5156, 4975, 4931, 266, 4947, 327, 209, 5105, 5005, 5041, 4965, 2449, 2352} \begin {gather*} \frac {i \left (-\left (1-3 c^2\right ) f^2-6 c d e f+3 d^2 e^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (-\left (3-c^2\right ) f^2-2 c d e f+d^2 e^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}-\frac {2 b \left (-\left (1-3 c^2\right ) f^2-6 c d e f+3 d^2 e^2\right ) \log \left (\frac {2}{1+i (c+d x)}\right ) \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {2 a b f x (d e-c f)}{d^2}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \text {ArcTan}(c+d x)}{3 d^3}+\frac {i b^2 \left (-\left (1-3 c^2\right ) f^2-6 c d e f+3 d^2 e^2\right ) \text {Li}_2\left (1-\frac {2}{i (c+d x)+1}\right )}{3 d^3}+\frac {b^2 f (d e-c f) \log \left ((c+d x)^2+1\right )}{d^3}+\frac {2 b^2 f (c+d x) (d e-c f) \cot ^{-1}(c+d x)}{d^3}+\frac {b^2 f^2 x}{3 d^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(e + f*x)^2*(a + b*ArcCot[c + d*x])^2,x]

[Out]

(b^2*f^2*x)/(3*d^2) + (2*a*b*f*(d*e - c*f)*x)/d^2 + (2*b^2*f*(d*e - c*f)*(c + d*x)*ArcCot[c + d*x])/d^3 + (b*f
^2*(c + d*x)^2*(a + b*ArcCot[c + d*x]))/(3*d^3) + ((I/3)*(3*d^2*e^2 - 6*c*d*e*f - (1 - 3*c^2)*f^2)*(a + b*ArcC
ot[c + d*x])^2)/d^3 - ((d*e - c*f)*(d^2*e^2 - 2*c*d*e*f - (3 - c^2)*f^2)*(a + b*ArcCot[c + d*x])^2)/(3*d^3*f)
+ ((e + f*x)^3*(a + b*ArcCot[c + d*x])^2)/(3*f) - (b^2*f^2*ArcTan[c + d*x])/(3*d^3) - (2*b*(3*d^2*e^2 - 6*c*d*
e*f - (1 - 3*c^2)*f^2)*(a + b*ArcCot[c + d*x])*Log[2/(1 + I*(c + d*x))])/(3*d^3) + (b^2*f*(d*e - c*f)*Log[1 +
(c + d*x)^2])/d^3 + ((I/3)*b^2*(3*d^2*e^2 - 6*c*d*e*f - (1 - 3*c^2)*f^2)*PolyLog[2, 1 - 2/(1 + I*(c + d*x))])/
d^3

Rule 209

Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1/(Rt[a, 2]*Rt[b, 2]))*ArcTan[Rt[b, 2]*(x/Rt[a, 2])], x] /;
FreeQ[{a, b}, x] && PosQ[a/b] && (GtQ[a, 0] || GtQ[b, 0])

Rule 266

Int[(x_)^(m_.)/((a_) + (b_.)*(x_)^(n_)), x_Symbol] :> Simp[Log[RemoveContent[a + b*x^n, x]]/(b*n), x] /; FreeQ
[{a, b, m, n}, x] && EqQ[m, n - 1]

Rule 327

Int[((c_.)*(x_))^(m_)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[c^(n - 1)*(c*x)^(m - n + 1)*((a + b*x^n
)^(p + 1)/(b*(m + n*p + 1))), x] - Dist[a*c^n*((m - n + 1)/(b*(m + n*p + 1))), Int[(c*x)^(m - n)*(a + b*x^n)^p
, x], x] /; FreeQ[{a, b, c, p}, x] && IGtQ[n, 0] && GtQ[m, n - 1] && NeQ[m + n*p + 1, 0] && IntBinomialQ[a, b,
c, n, m, p, x]

Rule 2352

Int[Log[(c_.)*(x_)]/((d_) + (e_.)*(x_)), x_Symbol] :> Simp[(-e^(-1))*PolyLog[2, 1 - c*x], x] /; FreeQ[{c, d, e
}, x] && EqQ[e + c*d, 0]

Rule 2449

Int[Log[(c_.)/((d_) + (e_.)*(x_))]/((f_) + (g_.)*(x_)^2), x_Symbol] :> Dist[-e/g, Subst[Int[Log[2*d*x]/(1 - 2*
d*x), x], x, 1/(d + e*x)], x] /; FreeQ[{c, d, e, f, g}, x] && EqQ[c, 2*d] && EqQ[e^2*f + d^2*g, 0]

Rule 4931

Int[((a_.) + ArcCot[(c_.)*(x_)^(n_.)]*(b_.))^(p_.), x_Symbol] :> Simp[x*(a + b*ArcCot[c*x^n])^p, x] + Dist[b*c
*n*p, Int[x^n*((a + b*ArcCot[c*x^n])^(p - 1)/(1 + c^2*x^(2*n))), x], x] /; FreeQ[{a, b, c, n}, x] && IGtQ[p, 0
] && (EqQ[n, 1] || EqQ[p, 1])

Rule 4947

Int[((a_.) + ArcCot[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)*(x_)^(m_.), x_Symbol] :> Simp[x^(m + 1)*((a + b*ArcCot[c*x^
n])^p/(m + 1)), x] + Dist[b*c*n*(p/(m + 1)), Int[x^(m + n)*((a + b*ArcCot[c*x^n])^(p - 1)/(1 + c^2*x^(2*n))),
x], x] /; FreeQ[{a, b, c, m, n}, x] && IGtQ[p, 0] && (EqQ[p, 1] || (EqQ[n, 1] && IntegerQ[m])) && NeQ[m, -1]

Rule 4965

Int[((a_.) + ArcCot[(c_.)*(x_)]*(b_.))^(p_.)/((d_) + (e_.)*(x_)), x_Symbol] :> Simp[(-(a + b*ArcCot[c*x])^p)*(
Log[2/(1 + e*(x/d))]/e), x] - Dist[b*c*(p/e), Int[(a + b*ArcCot[c*x])^(p - 1)*(Log[2/(1 + e*(x/d))]/(1 + c^2*x
^2)), x], x] /; FreeQ[{a, b, c, d, e}, x] && IGtQ[p, 0] && EqQ[c^2*d^2 + e^2, 0]

Rule 4975

Int[((a_.) + ArcCot[(c_.)*(x_)]*(b_.))^(p_)*((d_) + (e_.)*(x_))^(q_.), x_Symbol] :> Simp[(d + e*x)^(q + 1)*((a
+ b*ArcCot[c*x])^p/(e*(q + 1))), x] + Dist[b*c*(p/(e*(q + 1))), Int[ExpandIntegrand[(a + b*ArcCot[c*x])^(p -
1), (d + e*x)^(q + 1)/(1 + c^2*x^2), x], x], x] /; FreeQ[{a, b, c, d, e}, x] && IGtQ[p, 1] && IntegerQ[q] && N
eQ[q, -1]

Rule 5005

Int[((a_.) + ArcCot[(c_.)*(x_)]*(b_.))^(p_.)/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[-(a + b*ArcCot[c*x])^(p
+ 1)/(b*c*d*(p + 1)), x] /; FreeQ[{a, b, c, d, e, p}, x] && EqQ[e, c^2*d] && NeQ[p, -1]

Rule 5041

Int[(((a_.) + ArcCot[(c_.)*(x_)]*(b_.))^(p_.)*(x_))/((d_) + (e_.)*(x_)^2), x_Symbol] :> Simp[I*((a + b*ArcCot[
c*x])^(p + 1)/(b*e*(p + 1))), x] - Dist[1/(c*d), Int[(a + b*ArcCot[c*x])^p/(I - c*x), x], x] /; FreeQ[{a, b, c
, d, e}, x] && EqQ[e, c^2*d] && IGtQ[p, 0]

Rule 5105

Int[(((a_.) + ArcCot[(c_.)*(x_)]*(b_.))^(p_.)*((f_) + (g_.)*(x_))^(m_.))/((d_) + (e_.)*(x_)^2), x_Symbol] :> I
nt[ExpandIntegrand[(a + b*ArcCot[c*x])^p/(d + e*x^2), (f + g*x)^m, x], x] /; FreeQ[{a, b, c, d, e, f, g}, x] &
& IGtQ[p, 0] && EqQ[e, c^2*d] && IGtQ[m, 0]

Rule 5156

Int[((a_.) + ArcCot[(c_) + (d_.)*(x_)]*(b_.))^(p_.)*((e_.) + (f_.)*(x_))^(m_.), x_Symbol] :> Dist[1/d, Subst[I
nt[((d*e - c*f)/d + f*(x/d))^m*(a + b*ArcCot[x])^p, x], x, c + d*x], x] /; FreeQ[{a, b, c, d, e, f, m, p}, x]
&& IGtQ[p, 0]

Rubi steps

\begin {align*} \int (e+f x)^2 \left (a+b \cot ^{-1}(c+d x)\right )^2 \, dx &=\frac {\text {Subst}\left (\int \left (\frac {d e-c f}{d}+\frac {f x}{d}\right )^2 \left (a+b \cot ^{-1}(x)\right )^2 \, dx,x,c+d x\right )}{d}\\ &=\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}+\frac {(2 b) \text {Subst}\left (\int \left (\frac {3 f^2 (d e-c f) \left (a+b \cot ^{-1}(x)\right )}{d^3}+\frac {f^3 x \left (a+b \cot ^{-1}(x)\right )}{d^3}+\frac {\left ((d e-c f) \left (d^2 e^2-2 c d e f-3 f^2+c^2 f^2\right )+f \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) x\right ) \left (a+b \cot ^{-1}(x)\right )}{d^3 \left (1+x^2\right )}\right ) \, dx,x,c+d x\right )}{3 f}\\ &=\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}+\frac {(2 b) \text {Subst}\left (\int \frac {\left ((d e-c f) \left (d^2 e^2-2 c d e f-3 f^2+c^2 f^2\right )+f \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) x\right ) \left (a+b \cot ^{-1}(x)\right )}{1+x^2} \, dx,x,c+d x\right )}{3 d^3 f}+\frac {\left (2 b f^2\right ) \text {Subst}\left (\int x \left (a+b \cot ^{-1}(x)\right ) \, dx,x,c+d x\right )}{3 d^3}+\frac {(2 b f (d e-c f)) \text {Subst}\left (\int \left (a+b \cot ^{-1}(x)\right ) \, dx,x,c+d x\right )}{d^3}\\ &=\frac {2 a b f (d e-c f) x}{d^2}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}+\frac {(2 b) \text {Subst}\left (\int \left (\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(x)\right )}{1+x^2}+\frac {f \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) x \left (a+b \cot ^{-1}(x)\right )}{1+x^2}\right ) \, dx,x,c+d x\right )}{3 d^3 f}+\frac {\left (b^2 f^2\right ) \text {Subst}\left (\int \frac {x^2}{1+x^2} \, dx,x,c+d x\right )}{3 d^3}+\frac {\left (2 b^2 f (d e-c f)\right ) \text {Subst}\left (\int \cot ^{-1}(x) \, dx,x,c+d x\right )}{d^3}\\ &=\frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {\left (b^2 f^2\right ) \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,c+d x\right )}{3 d^3}+\frac {\left (2 b^2 f (d e-c f)\right ) \text {Subst}\left (\int \frac {x}{1+x^2} \, dx,x,c+d x\right )}{d^3}+\frac {\left (2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right )\right ) \text {Subst}\left (\int \frac {x \left (a+b \cot ^{-1}(x)\right )}{1+x^2} \, dx,x,c+d x\right )}{3 d^3}+\frac {\left (2 b (d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right )\right ) \text {Subst}\left (\int \frac {a+b \cot ^{-1}(x)}{1+x^2} \, dx,x,c+d x\right )}{3 d^3 f}\\ &=\frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {i \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \tan ^{-1}(c+d x)}{3 d^3}+\frac {b^2 f (d e-c f) \log \left (1+(c+d x)^2\right )}{d^3}-\frac {\left (2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right )\right ) \text {Subst}\left (\int \frac {a+b \cot ^{-1}(x)}{i-x} \, dx,x,c+d x\right )}{3 d^3}\\ &=\frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {i \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \tan ^{-1}(c+d x)}{3 d^3}-\frac {2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right ) \log \left (\frac {2}{1+i (c+d x)}\right )}{3 d^3}+\frac {b^2 f (d e-c f) \log \left (1+(c+d x)^2\right )}{d^3}-\frac {\left (2 b^2 \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right )\right ) \text {Subst}\left (\int \frac {\log \left (\frac {2}{1+i x}\right )}{1+x^2} \, dx,x,c+d x\right )}{3 d^3}\\ &=\frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {i \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \tan ^{-1}(c+d x)}{3 d^3}-\frac {2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right ) \log \left (\frac {2}{1+i (c+d x)}\right )}{3 d^3}+\frac {b^2 f (d e-c f) \log \left (1+(c+d x)^2\right )}{d^3}+\frac {\left (2 i b^2 \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right )\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+i (c+d x)}\right )}{3 d^3}\\ &=\frac {b^2 f^2 x}{3 d^2}+\frac {2 a b f (d e-c f) x}{d^2}+\frac {2 b^2 f (d e-c f) (c+d x) \cot ^{-1}(c+d x)}{d^3}+\frac {b f^2 (c+d x)^2 \left (a+b \cot ^{-1}(c+d x)\right )}{3 d^3}+\frac {i \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3}-\frac {(d e-c f) \left (d^2 e^2-2 c d e f-\left (3-c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 d^3 f}+\frac {(e+f x)^3 \left (a+b \cot ^{-1}(c+d x)\right )^2}{3 f}-\frac {b^2 f^2 \tan ^{-1}(c+d x)}{3 d^3}-\frac {2 b \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \left (a+b \cot ^{-1}(c+d x)\right ) \log \left (\frac {2}{1+i (c+d x)}\right )}{3 d^3}+\frac {b^2 f (d e-c f) \log \left (1+(c+d x)^2\right )}{d^3}+\frac {i b^2 \left (3 d^2 e^2-6 c d e f-\left (1-3 c^2\right ) f^2\right ) \text {Li}_2\left (1-\frac {2}{1+i (c+d x)}\right )}{3 d^3}\\ \end {align*}

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Mathematica [A]
time = 3.49, size = 665, normalized size = 1.74 \begin {gather*} a^2 e^2 x+a^2 e f x^2+\frac {1}{3} a^2 f^2 x^3+\frac {a b \left (d f x (6 d e-4 c f+d f x)+2 d^3 x \left (3 e^2+3 e f x+f^2 x^2\right ) \cot ^{-1}(c+d x)-2 \left (3 c d^2 e^2+3 d e f-3 c^2 d e f-3 c f^2+c^3 f^2\right ) \text {ArcTan}(c+d x)+\left (3 d^2 e^2-6 c d e f+\left (-1+3 c^2\right ) f^2\right ) \log \left (1+c^2+2 c d x+d^2 x^2\right )\right )}{3 d^3}+\frac {b^2 e^2 \left (\cot ^{-1}(c+d x) \left ((i+c+d x) \cot ^{-1}(c+d x)-2 \log \left (1-e^{2 i \cot ^{-1}(c+d x)}\right )\right )+i \text {PolyLog}\left (2,e^{2 i \cot ^{-1}(c+d x)}\right )\right )}{d}+\frac {b^2 e f \left (\left (1-2 i c-c^2+d^2 x^2\right ) \cot ^{-1}(c+d x)^2+2 \cot ^{-1}(c+d x) \left (c+d x+2 c \log \left (1-e^{2 i \cot ^{-1}(c+d x)}\right )\right )-2 \log \left (\frac {1}{(c+d x) \sqrt {1+\frac {1}{(c+d x)^2}}}\right )-2 i c \text {PolyLog}\left (2,e^{2 i \cot ^{-1}(c+d x)}\right )\right )}{d^2}+\frac {b^2 f^2 \left ((c+d x) \left (1+(c+d x)^2\right ) \left (1-6 c \cot ^{-1}(c+d x)+3 \left (1+c^2\right ) \cot ^{-1}(c+d x)^2\right )-(c+d x) \sqrt {1+\frac {1}{(c+d x)^2}} \left (1+(c+d x)^2\right ) \left (1-6 c \cot ^{-1}(c+d x)+\left (-1+3 c^2\right ) \cot ^{-1}(c+d x)^2\right ) \cos \left (3 \cot ^{-1}(c+d x)\right )+2 \left (1+(c+d x)^2\right ) \left (-i \cot ^{-1}(c+d x)^2 \left (1-6 i c-3 c^2+\left (-1+3 c^2\right ) \cos \left (2 \cot ^{-1}(c+d x)\right )\right )+2 \cot ^{-1}(c+d x) \left (1+\left (1-3 c^2\right ) \log \left (1-e^{2 i \cot ^{-1}(c+d x)}\right )+\left (-1+3 c^2\right ) \cos \left (2 \cot ^{-1}(c+d x)\right ) \log \left (1-e^{2 i \cot ^{-1}(c+d x)}\right )\right )-6 c \left (-1+\cos \left (2 \cot ^{-1}(c+d x)\right )\right ) \log \left (\frac {1}{(c+d x) \sqrt {1+\frac {1}{(c+d x)^2}}}\right )\right )+4 i \left (-1+3 c^2\right ) \text {PolyLog}\left (2,e^{2 i \cot ^{-1}(c+d x)}\right )\right )}{12 d^3} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(e + f*x)^2*(a + b*ArcCot[c + d*x])^2,x]

[Out]

a^2*e^2*x + a^2*e*f*x^2 + (a^2*f^2*x^3)/3 + (a*b*(d*f*x*(6*d*e - 4*c*f + d*f*x) + 2*d^3*x*(3*e^2 + 3*e*f*x + f
^2*x^2)*ArcCot[c + d*x] - 2*(3*c*d^2*e^2 + 3*d*e*f - 3*c^2*d*e*f - 3*c*f^2 + c^3*f^2)*ArcTan[c + d*x] + (3*d^2
*e^2 - 6*c*d*e*f + (-1 + 3*c^2)*f^2)*Log[1 + c^2 + 2*c*d*x + d^2*x^2]))/(3*d^3) + (b^2*e^2*(ArcCot[c + d*x]*((
I + c + d*x)*ArcCot[c + d*x] - 2*Log[1 - E^((2*I)*ArcCot[c + d*x])]) + I*PolyLog[2, E^((2*I)*ArcCot[c + d*x])]
))/d + (b^2*e*f*((1 - (2*I)*c - c^2 + d^2*x^2)*ArcCot[c + d*x]^2 + 2*ArcCot[c + d*x]*(c + d*x + 2*c*Log[1 - E^
((2*I)*ArcCot[c + d*x])]) - 2*Log[1/((c + d*x)*Sqrt[1 + (c + d*x)^(-2)])] - (2*I)*c*PolyLog[2, E^((2*I)*ArcCot
[c + d*x])]))/d^2 + (b^2*f^2*((c + d*x)*(1 + (c + d*x)^2)*(1 - 6*c*ArcCot[c + d*x] + 3*(1 + c^2)*ArcCot[c + d*
x]^2) - (c + d*x)*Sqrt[1 + (c + d*x)^(-2)]*(1 + (c + d*x)^2)*(1 - 6*c*ArcCot[c + d*x] + (-1 + 3*c^2)*ArcCot[c
+ d*x]^2)*Cos[3*ArcCot[c + d*x]] + 2*(1 + (c + d*x)^2)*((-I)*ArcCot[c + d*x]^2*(1 - (6*I)*c - 3*c^2 + (-1 + 3*
c^2)*Cos[2*ArcCot[c + d*x]]) + 2*ArcCot[c + d*x]*(1 + (1 - 3*c^2)*Log[1 - E^((2*I)*ArcCot[c + d*x])] + (-1 + 3
*c^2)*Cos[2*ArcCot[c + d*x]]*Log[1 - E^((2*I)*ArcCot[c + d*x])]) - 6*c*(-1 + Cos[2*ArcCot[c + d*x]])*Log[1/((c
+ d*x)*Sqrt[1 + (c + d*x)^(-2)])]) + (4*I)*(-1 + 3*c^2)*PolyLog[2, E^((2*I)*ArcCot[c + d*x])]))/(12*d^3)

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Maple [B] Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 2039 vs. \(2 (362 ) = 724\).
time = 0.51, size = 2040, normalized size = 5.34

method	result	size
derivativedivides	\(\text {Expression too large to display}\)	\(2040\)
default	\(\text {Expression too large to display}\)	\(2040\)
risch	\(\text {Expression too large to display}\)	\(3402\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((f*x+e)^2*(a+b*arccot(d*x+c))^2,x,method=_RETURNVERBOSE)

[Out]

1/d*(-1/4*I*b^2/d^2*f^2*ln(d*x+c+I)^2*c^2-I*b^2/d*f*ln(d*x+c-I)*ln(-1/2*I*(d*x+c+I))*c*e+I*b^2/d*f*ln(d*x+c-I)
*ln(1+(d*x+c)^2)*c*e+I*b^2/d*f*ln(d*x+c+I)*ln(1/2*I*(d*x+c-I))*c*e-I*b^2/d*f*ln(d*x+c+I)*ln(1+(d*x+c)^2)*c*e-4
*a*b/d*f*arccot(d*x+c)*c*e*(d*x+c)-1/3*(c*f-d*e-f*(d*x+c))^3*a^2/d^2/f+a*b*ln(1+(d*x+c)^2)*e^2+b^2*arccot(d*x+
c)*ln(1+(d*x+c)^2)*e^2-1/2*I*b^2*dilog(1/2*I*(d*x+c-I))*e^2-1/4*I*b^2*ln(d*x+c+I)^2*e^2+1/2*I*b^2*dilog(-1/2*I
*(d*x+c+I))*e^2+1/4*I*b^2*ln(d*x+c-I)^2*e^2+1/3*b^2/d^2*f^2*(d*x+c)-1/3*b^2/d^2*f^2*arctan(d*x+c)+b^2*arccot(d
*x+c)^2*e^2*(d*x+c)-b^2*arccot(d*x+c)^2*c*e^2-b^2*arctan(d*x+c)^2*c*e^2+2*b^2/d*f*arccot(d*x+c)*e*(d*x+c)+b^2/
d*f*arctan(d*x+c)^2*c^2*e-2*b^2/d*f*arccot(d*x+c)*arctan(d*x+c)*e+2/3*b^2*d/f*arccot(d*x+c)*arctan(d*x+c)*e^3+
2*b^2/d^2*f^2*arccot(d*x+c)*arctan(d*x+c)*c+b^2/d^2*f^2*arccot(d*x+c)*ln(1+(d*x+c)^2)*c^2-2/3*b^2/d^2*f^2*arcc
ot(d*x+c)*arctan(d*x+c)*c^3-2*b^2/d^2*f^2*arccot(d*x+c)*c*(d*x+c)-1/6*I*b^2/d^2*f^2*ln(d*x+c-I)*ln(-1/2*I*(d*x
+c+I))-1/6*I*b^2/d^2*f^2*ln(d*x+c+I)*ln(1+(d*x+c)^2)+1/6*I*b^2/d^2*f^2*ln(d*x+c+I)*ln(1/2*I*(d*x+c-I))+1/6*I*b
^2/d^2*f^2*ln(d*x+c-I)*ln(1+(d*x+c)^2)+1/4*I*b^2/d^2*f^2*ln(d*x+c-I)^2*c^2-1/2*I*b^2/d^2*f^2*dilog(1/2*I*(d*x+
c-I))*c^2+1/2*I*b^2/d*f*ln(d*x+c+I)^2*c*e-2*b^2/d*f*arccot(d*x+c)^2*c*e*(d*x+c)+I*b^2/d*f*dilog(1/2*I*(d*x+c-I
))*c*e-I*b^2/d*f*dilog(-1/2*I*(d*x+c+I))*c*e-1/2*I*b^2/d*f*ln(d*x+c-I)^2*c*e+1/2*I*b^2/d^2*f^2*ln(d*x+c-I)*ln(
-1/2*I*(d*x+c+I))*c^2+2*a*b/d*f*arccot(d*x+c)*c^2*e+2*a*b/d^2*f^2*arccot(d*x+c)*c^2*(d*x+c)-2*a*b/d^2*f^2*arcc
ot(d*x+c)*c*(d*x+c)^2+2*a*b/d*f*arccot(d*x+c)*e*(d*x+c)^2-2*a*b/d*f*ln(1+(d*x+c)^2)*c*e+2*a*b/d*f*arctan(d*x+c
)*c^2*e-1/2*I*b^2/d^2*f^2*ln(d*x+c-I)*ln(1+(d*x+c)^2)*c^2+b^2/d^2*f^2*arctan(d*x+c)^2*c-1/3*b^2/d^2*f^2*arctan
(d*x+c)^2*c^3+1/2*I*b^2*ln(d*x+c-I)*ln(-1/2*I*(d*x+c+I))*e^2-1/12*I*b^2/d^2*f^2*ln(d*x+c-I)^2+1/12*I*b^2/d^2*f
^2*ln(d*x+c+I)^2-1/6*I*b^2/d^2*f^2*dilog(-1/2*I*(d*x+c+I))+1/6*I*b^2/d^2*f^2*dilog(1/2*I*(d*x+c-I))-b^2/d*f*ar
ctan(d*x+c)^2*e+1/3*b^2*d/f*arctan(d*x+c)^2*e^3+1/3*b^2*d/f*arccot(d*x+c)^2*e^3-1/3*b^2/d^2*f^2*arccot(d*x+c)^
2*c^3+1/3*b^2/d^2*f^2*arccot(d*x+c)^2*(d*x+c)^3+1/3*b^2/d^2*f^2*arccot(d*x+c)*(d*x+c)^2-1/3*b^2/d^2*f^2*arccot
(d*x+c)*ln(1+(d*x+c)^2)+1/2*I*b^2*ln(d*x+c+I)*ln(1+(d*x+c)^2)*e^2-1/2*I*b^2*ln(d*x+c+I)*ln(1/2*I*(d*x+c-I))*e^
2-1/2*I*b^2*ln(d*x+c-I)*ln(1+(d*x+c)^2)*e^2-2*b^2*arccot(d*x+c)*arctan(d*x+c)*c*e^2-b^2/d^2*f^2*ln(1+(d*x+c)^2
)*c+2*a*b*arccot(d*x+c)*e^2*(d*x+c)-1/3*a*b/d^2*f^2*ln(1+(d*x+c)^2)-2*a*b*arctan(d*x+c)*c*e^2+1/3*a*b/d^2*f^2*
(d*x+c)^2-2*a*b*arccot(d*x+c)*c*e^2+b^2/d*f*ln(1+(d*x+c)^2)*e+1/2*I*b^2/d^2*f^2*dilog(-1/2*I*(d*x+c+I))*c^2-2*
a*b/d^2*f^2*c*(d*x+c)+2*a*b/d*f*e*(d*x+c)-2/3*a*b/d^2*f^2*arccot(d*x+c)*c^3+2/3*a*b*d/f*arccot(d*x+c)*e^3+2/3*
a*b/d^2*f^2*arccot(d*x+c)*(d*x+c)^3+a*b/d^2*f^2*ln(1+(d*x+c)^2)*c^2-2/3*a*b/d^2*f^2*arctan(d*x+c)*c^3+2/3*a*b*
d/f*arctan(d*x+c)*e^3+2*a*b/d^2*f^2*arctan(d*x+c)*c-2*a*b/d*f*arctan(d*x+c)*e+b^2/d^2*f^2*arccot(d*x+c)^2*c^2*
(d*x+c)-b^2/d^2*f^2*arccot(d*x+c)^2*c*(d*x+c)^2+b^2/d*f*arccot(d*x+c)^2*e*(d*x+c)^2+b^2/d*f*arccot(d*x+c)^2*c^
2*e+1/2*I*b^2/d^2*f^2*ln(d*x+c+I)*ln(1+(d*x+c)^2)*c^2-1/2*I*b^2/d^2*f^2*ln(d*x+c+I)*ln(1/2*I*(d*x+c-I))*c^2+2*
b^2/d*f*arccot(d*x+c)*arctan(d*x+c)*c^2*e-2*b^2/d*f*arccot(d*x+c)*ln(1+(d*x+c)^2)*c*e)

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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((f*x+e)^2*(a+b*arccot(d*x+c))^2,x, algorithm="maxima")

[Out]

1/12*b^2*f^2*x^3*arctan2(1, d*x + c)^2 + 1/4*b^2*f*x^2*arctan2(1, d*x + c)^2*e + 1/3*a^2*f^2*x^3 + 1/4*b^2*x*a
rctan2(1, d*x + c)^2*e^2 + a^2*f*x^2*e + 1/3*(2*x^3*arccot(d*x + c) + d*((d*x^2 - 4*c*x)/d^3 - 2*(c^3 - 3*c)*a
rctan((d^2*x + c*d)/d)/d^4 + (3*c^2 - 1)*log(d^2*x^2 + 2*c*d*x + c^2 + 1)/d^4))*a*b*f^2 + 2*(x^2*arccot(d*x +
c) + d*(x/d^2 + (c^2 - 1)*arctan((d^2*x + c*d)/d)/d^3 - c*log(d^2*x^2 + 2*c*d*x + c^2 + 1)/d^3))*a*b*f*e + a^2
*x*e^2 + (2*(d*x + c)*arccot(d*x + c) + log((d*x + c)^2 + 1))*a*b*e^2/d - 1/48*(b^2*f^2*x^3 + 3*b^2*f*x^2*e +
3*b^2*x*e^2)*log(d^2*x^2 + 2*c*d*x + c^2 + 1)^2 + integrate(1/48*(36*b^2*d^2*f^2*x^4*arctan2(1, d*x + c)^2 + 3
6*b^2*c^2*arctan2(1, d*x + c)^2*e^2 + 36*b^2*arctan2(1, d*x + c)^2*e^2 + 8*(9*b^2*d^2*f*arctan2(1, d*x + c)^2*
e + (9*b^2*c*arctan2(1, d*x + c)^2 + b^2*arctan2(1, d*x + c))*d*f^2)*x^3 + 12*(3*b^2*d^2*arctan2(1, d*x + c)^2
*e^2 + 2*(6*b^2*c*arctan2(1, d*x + c)^2*e + b^2*arctan2(1, d*x + c)*e)*d*f + 3*(b^2*c^2*arctan2(1, d*x + c)^2
+ b^2*arctan2(1, d*x + c)^2)*f^2)*x^2 + 3*(b^2*d^2*f^2*x^4 + b^2*c^2*e^2 + 2*(b^2*c*d*f^2 + b^2*d^2*f*e)*x^3 +
(4*b^2*c*d*f*e + b^2*d^2*e^2 + (b^2*c^2 + b^2)*f^2)*x^2 + b^2*e^2 + 2*(b^2*c*d*e^2 + (b^2*c^2*e + b^2*e)*f)*x
)*log(d^2*x^2 + 2*c*d*x + c^2 + 1)^2 + 24*((3*b^2*c*arctan2(1, d*x + c)^2*e^2 + b^2*arctan2(1, d*x + c)*e^2)*d
+ 3*(b^2*c^2*arctan2(1, d*x + c)^2*e + b^2*arctan2(1, d*x + c)^2*e)*f)*x + 4*(b^2*d^2*f^2*x^4 + 3*b^2*c*d*x*e
^2 + (b^2*c*d*f^2 + 3*b^2*d^2*f*e)*x^3 + 3*(b^2*c*d*f*e + b^2*d^2*e^2)*x^2)*log(d^2*x^2 + 2*c*d*x + c^2 + 1))/
(d^2*x^2 + 2*c*d*x + c^2 + 1), x)

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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((f*x+e)^2*(a+b*arccot(d*x+c))^2,x, algorithm="fricas")

[Out]

integral(a^2*f^2*x^2 + 2*a^2*f*x*e + (b^2*f^2*x^2 + 2*b^2*f*x*e + b^2*e^2)*arccot(d*x + c)^2 + a^2*e^2 + 2*(a*
b*f^2*x^2 + 2*a*b*f*x*e + a*b*e^2)*arccot(d*x + c), x)

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (a + b \operatorname {acot}{\left (c + d x \right )}\right )^{2} \left (e + f x\right )^{2}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((f*x+e)**2*(a+b*acot(d*x+c))**2,x)

[Out]

Integral((a + b*acot(c + d*x))**2*(e + f*x)**2, x)

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((f*x+e)^2*(a+b*arccot(d*x+c))^2,x, algorithm="giac")

[Out]

integrate((f*x + e)^2*(b*arccot(d*x + c) + a)^2, x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int {\left (e+f\,x\right )}^2\,{\left (a+b\,\mathrm {acot}\left (c+d\,x\right )\right )}^2 \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((e + f*x)^2*(a + b*acot(c + d*x))^2,x)

[Out]

int((e + f*x)^2*(a + b*acot(c + d*x))^2, x)

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