3.12.39 \(\int \frac {A+B x}{(a+b x)^3 (d+e x)} \, dx\) [1139]

Optimal. Leaf size=113 \[ \frac {-A b+a B}{2 b (b d-a e) (a+b x)^2}-\frac {B d-A e}{(b d-a e)^2 (a+b x)}-\frac {e (B d-A e) \log (a+b x)}{(b d-a e)^3}+\frac {e (B d-A e) \log (d+e x)}{(b d-a e)^3} \]

[Out]

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

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Rubi [A]
time = 0.06, antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {78} \begin {gather*} -\frac {A b-a B}{2 b (a+b x)^2 (b d-a e)}-\frac {B d-A e}{(a+b x) (b d-a e)^2}-\frac {e \log (a+b x) (B d-A e)}{(b d-a e)^3}+\frac {e (B d-A e) \log (d+e x)}{(b d-a e)^3} \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

-1/2*(A*b - a*B)/(b*(b*d - a*e)*(a + b*x)^2) - (B*d - A*e)/((b*d - a*e)^2*(a + b*x)) - (e*(B*d - A*e)*Log[a +
b*x])/(b*d - a*e)^3 + (e*(B*d - A*e)*Log[d + e*x])/(b*d - a*e)^3

Rule 78

Int[((a_.) + (b_.)*(x_))*((c_) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p_.), x_Symbol] :> Int[ExpandIntegran
d[(a + b*x)*(c + d*x)^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, d, e, f, n}, x] && NeQ[b*c - a*d, 0] && ((ILtQ[
n, 0] && ILtQ[p, 0]) || EqQ[p, 1] || (IGtQ[p, 0] && ( !IntegerQ[n] || LeQ[9*p + 5*(n + 2), 0] || GeQ[n + p + 1
, 0] || (GeQ[n + p + 2, 0] && RationalQ[a, b, c, d, e, f]))))

Rubi steps

\begin {align*} \int \frac {A+B x}{(a+b x)^3 (d+e x)} \, dx &=\int \left (\frac {A b-a B}{(b d-a e) (a+b x)^3}+\frac {b (B d-A e)}{(b d-a e)^2 (a+b x)^2}+\frac {b e (-B d+A e)}{(b d-a e)^3 (a+b x)}-\frac {e^2 (-B d+A e)}{(b d-a e)^3 (d+e x)}\right ) \, dx\\ &=-\frac {A b-a B}{2 b (b d-a e) (a+b x)^2}-\frac {B d-A e}{(b d-a e)^2 (a+b x)}-\frac {e (B d-A e) \log (a+b x)}{(b d-a e)^3}+\frac {e (B d-A e) \log (d+e x)}{(b d-a e)^3}\\ \end {align*}

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Mathematica [A]
time = 0.05, size = 103, normalized size = 0.91 \begin {gather*} \frac {\frac {(-A b+a B) (b d-a e)^2}{b (a+b x)^2}+\frac {2 (b d-a e) (-B d+A e)}{a+b x}+2 e (-B d+A e) \log (a+b x)+2 e (B d-A e) \log (d+e x)}{2 (b d-a e)^3} \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

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

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Maple [A]
time = 0.10, size = 111, normalized size = 0.98

method	result	size
default	\(-\frac {-A b +B a}{2 \left (a e -b d \right ) b \left (b x +a \right )^{2}}+\frac {A e -B d}{\left (a e -b d \right )^{2} \left (b x +a \right )}-\frac {\left (A e -B d \right ) e \ln \left (b x +a \right )}{\left (a e -b d \right )^{3}}+\frac {\left (A e -B d \right ) e \ln \left (e x +d \right )}{\left (a e -b d \right )^{3}}\)	\(111\)
norman	\(\frac {\frac {\left (A \,b^{2} e -b^{2} B d \right ) x}{b \left (a^{2} e^{2}-2 a b d e +d^{2} b^{2}\right )}+\frac {3 A a \,b^{2} e -A \,b^{3} d -B \,a^{2} b e -B a \,b^{2} d}{2 b^{2} \left (a^{2} e^{2}-2 a b d e +d^{2} b^{2}\right )}}{\left (b x +a \right )^{2}}+\frac {e \left (A e -B d \right ) \ln \left (e x +d \right )}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}-\frac {e \left (A e -B d \right ) \ln \left (b x +a \right )}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}\)	\(222\)
risch	\(\frac {\frac {b \left (A e -B d \right ) x}{a^{2} e^{2}-2 a b d e +d^{2} b^{2}}+\frac {3 A a b e -A \,b^{2} d -B \,a^{2} e -B a b d}{2 b \left (a^{2} e^{2}-2 a b d e +d^{2} b^{2}\right )}}{\left (b x +a \right )^{2}}-\frac {e^{2} \ln \left (b x +a \right ) A}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}+\frac {e \ln \left (b x +a \right ) B d}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}+\frac {e^{2} \ln \left (-e x -d \right ) A}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}-\frac {e \ln \left (-e x -d \right ) B d}{a^{3} e^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}}\)	\(302\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((B*x+A)/(b*x+a)^3/(e*x+d),x,method=_RETURNVERBOSE)

[Out]

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

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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 253 vs. \(2 (121) = 242\).
time = 0.31, size = 253, normalized size = 2.24 \begin {gather*} -\frac {{\left (B d e - A e^{2}\right )} \log \left (b x + a\right )}{b^{3} d^{3} - 3 \, a b^{2} d^{2} e + 3 \, a^{2} b d e^{2} - a^{3} e^{3}} + \frac {{\left (B d e - A e^{2}\right )} \log \left (x e + d\right )}{b^{3} d^{3} - 3 \, a b^{2} d^{2} e + 3 \, a^{2} b d e^{2} - a^{3} e^{3}} - \frac {B a^{2} e - 3 \, A a b e + {\left (B a b + A b^{2}\right )} d + 2 \, {\left (B b^{2} d - A b^{2} e\right )} x}{2 \, {\left (a^{2} b^{3} d^{2} - 2 \, a^{3} b^{2} d e + a^{4} b e^{2} + {\left (b^{5} d^{2} - 2 \, a b^{4} d e + a^{2} b^{3} e^{2}\right )} x^{2} + 2 \, {\left (a b^{4} d^{2} - 2 \, a^{2} b^{3} d e + a^{3} b^{2} e^{2}\right )} x\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 347 vs. \(2 (121) = 242\).
time = 1.07, size = 347, normalized size = 3.07 \begin {gather*} -\frac {2 \, B b^{3} d^{2} x + {\left (B a b^{2} + A b^{3}\right )} d^{2} + {\left (2 \, A a b^{2} x - B a^{3} + 3 \, A a^{2} b\right )} e^{2} - 2 \, {\left (2 \, A a b^{2} d + {\left (B a b^{2} + A b^{3}\right )} d x\right )} e - 2 \, {\left ({\left (A b^{3} x^{2} + 2 \, A a b^{2} x + A a^{2} b\right )} e^{2} - {\left (B b^{3} d x^{2} + 2 \, B a b^{2} d x + B a^{2} b d\right )} e\right )} \log \left (b x + a\right ) + 2 \, {\left ({\left (A b^{3} x^{2} + 2 \, A a b^{2} x + A a^{2} b\right )} e^{2} - {\left (B b^{3} d x^{2} + 2 \, B a b^{2} d x + B a^{2} b d\right )} e\right )} \log \left (x e + d\right )}{2 \, {\left (b^{6} d^{3} x^{2} + 2 \, a b^{5} d^{3} x + a^{2} b^{4} d^{3} - {\left (a^{3} b^{3} x^{2} + 2 \, a^{4} b^{2} x + a^{5} b\right )} e^{3} + 3 \, {\left (a^{2} b^{4} d x^{2} + 2 \, a^{3} b^{3} d x + a^{4} b^{2} d\right )} e^{2} - 3 \, {\left (a b^{5} d^{2} x^{2} + 2 \, a^{2} b^{4} d^{2} x + a^{3} b^{3} d^{2}\right )} e\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 558 vs. \(2 (92) = 184\).
time = 1.22, size = 558, normalized size = 4.94 \begin {gather*} - \frac {e \left (- A e + B d\right ) \log {\left (x + \frac {- A a e^{3} - A b d e^{2} + B a d e^{2} + B b d^{2} e - \frac {a^{4} e^{5} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} + \frac {4 a^{3} b d e^{4} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} - \frac {6 a^{2} b^{2} d^{2} e^{3} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} + \frac {4 a b^{3} d^{3} e^{2} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} - \frac {b^{4} d^{4} e \left (- A e + B d\right )}{\left (a e - b d\right )^{3}}}{- 2 A b e^{3} + 2 B b d e^{2}} \right )}}{\left (a e - b d\right )^{3}} + \frac {e \left (- A e + B d\right ) \log {\left (x + \frac {- A a e^{3} - A b d e^{2} + B a d e^{2} + B b d^{2} e + \frac {a^{4} e^{5} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} - \frac {4 a^{3} b d e^{4} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} + \frac {6 a^{2} b^{2} d^{2} e^{3} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} - \frac {4 a b^{3} d^{3} e^{2} \left (- A e + B d\right )}{\left (a e - b d\right )^{3}} + \frac {b^{4} d^{4} e \left (- A e + B d\right )}{\left (a e - b d\right )^{3}}}{- 2 A b e^{3} + 2 B b d e^{2}} \right )}}{\left (a e - b d\right )^{3}} + \frac {3 A a b e - A b^{2} d - B a^{2} e - B a b d + x \left (2 A b^{2} e - 2 B b^{2} d\right )}{2 a^{4} b e^{2} - 4 a^{3} b^{2} d e + 2 a^{2} b^{3} d^{2} + x^{2} \cdot \left (2 a^{2} b^{3} e^{2} - 4 a b^{4} d e + 2 b^{5} d^{2}\right ) + x \left (4 a^{3} b^{2} e^{2} - 8 a^{2} b^{3} d e + 4 a b^{4} d^{2}\right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((B*x+A)/(b*x+a)**3/(e*x+d),x)

[Out]

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

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Giac [A]
time = 0.92, size = 229, normalized size = 2.03 \begin {gather*} -\frac {{\left (B b d e - A b e^{2}\right )} \log \left ({\left | b x + a \right |}\right )}{b^{4} d^{3} - 3 \, a b^{3} d^{2} e + 3 \, a^{2} b^{2} d e^{2} - a^{3} b e^{3}} + \frac {{\left (B d e^{2} - A e^{3}\right )} \log \left ({\left | x e + d \right |}\right )}{b^{3} d^{3} e - 3 \, a b^{2} d^{2} e^{2} + 3 \, a^{2} b d e^{3} - a^{3} e^{4}} - \frac {B a b^{2} d^{2} + A b^{3} d^{2} - 4 \, A a b^{2} d e - B a^{3} e^{2} + 3 \, A a^{2} b e^{2} + 2 \, {\left (B b^{3} d^{2} - B a b^{2} d e - A b^{3} d e + A a b^{2} e^{2}\right )} x}{2 \, {\left (b d - a e\right )}^{3} {\left (b x + a\right )}^{2} b} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-(B*b*d*e - A*b*e^2)*log(abs(b*x + a))/(b^4*d^3 - 3*a*b^3*d^2*e + 3*a^2*b^2*d*e^2 - a^3*b*e^3) + (B*d*e^2 - A*
e^3)*log(abs(x*e + d))/(b^3*d^3*e - 3*a*b^2*d^2*e^2 + 3*a^2*b*d*e^3 - a^3*e^4) - 1/2*(B*a*b^2*d^2 + A*b^3*d^2
- 4*A*a*b^2*d*e - B*a^3*e^2 + 3*A*a^2*b*e^2 + 2*(B*b^3*d^2 - B*a*b^2*d*e - A*b^3*d*e + A*a*b^2*e^2)*x)/((b*d -
a*e)^3*(b*x + a)^2*b)

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Mupad [B]
time = 1.26, size = 228, normalized size = 2.02 \begin {gather*} -\frac {\frac {A\,b^2\,d+B\,a^2\,e-3\,A\,a\,b\,e+B\,a\,b\,d}{2\,b\,\left (a^2\,e^2-2\,a\,b\,d\,e+b^2\,d^2\right )}-\frac {b\,x\,\left (A\,e-B\,d\right )}{a^2\,e^2-2\,a\,b\,d\,e+b^2\,d^2}}{a^2+2\,a\,b\,x+b^2\,x^2}-\frac {2\,e\,\mathrm {atanh}\left (\frac {\left (\frac {a^3\,e^3-a^2\,b\,d\,e^2-a\,b^2\,d^2\,e+b^3\,d^3}{a^2\,e^2-2\,a\,b\,d\,e+b^2\,d^2}+2\,b\,e\,x\right )\,\left (a^2\,e^2-2\,a\,b\,d\,e+b^2\,d^2\right )}{{\left (a\,e-b\,d\right )}^3}\right )\,\left (A\,e-B\,d\right )}{{\left (a\,e-b\,d\right )}^3} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

- ((A*b^2*d + B*a^2*e - 3*A*a*b*e + B*a*b*d)/(2*b*(a^2*e^2 + b^2*d^2 - 2*a*b*d*e)) - (b*x*(A*e - B*d))/(a^2*e^
2 + b^2*d^2 - 2*a*b*d*e))/(a^2 + b^2*x^2 + 2*a*b*x) - (2*e*atanh((((a^3*e^3 + b^3*d^3 - a*b^2*d^2*e - a^2*b*d*
e^2)/(a^2*e^2 + b^2*d^2 - 2*a*b*d*e) + 2*b*e*x)*(a^2*e^2 + b^2*d^2 - 2*a*b*d*e))/(a*e - b*d)^3)*(A*e - B*d))/(
a*e - b*d)^3

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