Optimal. Leaf size=59 \[ \frac {2 b (b c-a d)}{d^3 (c+d x)}-\frac {(b c-a d)^2}{2 d^3 (c+d x)^2}+\frac {b^2 \log (c+d x)}{d^3} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.04, antiderivative size = 59, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {43} \[ \frac {2 b (b c-a d)}{d^3 (c+d x)}-\frac {(b c-a d)^2}{2 d^3 (c+d x)^2}+\frac {b^2 \log (c+d x)}{d^3} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 43
Rubi steps
\begin {align*} \int \frac {(a+b x)^2}{(c+d x)^3} \, dx &=\int \left (\frac {(-b c+a d)^2}{d^2 (c+d x)^3}-\frac {2 b (b c-a d)}{d^2 (c+d x)^2}+\frac {b^2}{d^2 (c+d x)}\right ) \, dx\\ &=-\frac {(b c-a d)^2}{2 d^3 (c+d x)^2}+\frac {2 b (b c-a d)}{d^3 (c+d x)}+\frac {b^2 \log (c+d x)}{d^3}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.02, size = 48, normalized size = 0.81 \[ \frac {\frac {(b c-a d) (a d+3 b c+4 b d x)}{(c+d x)^2}+2 b^2 \log (c+d x)}{2 d^3} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.44, size = 100, normalized size = 1.69 \[ \frac {3 \, b^{2} c^{2} - 2 \, a b c d - a^{2} d^{2} + 4 \, {\left (b^{2} c d - a b d^{2}\right )} x + 2 \, {\left (b^{2} d^{2} x^{2} + 2 \, b^{2} c d x + b^{2} c^{2}\right )} \log \left (d x + c\right )}{2 \, {\left (d^{5} x^{2} + 2 \, c d^{4} x + c^{2} d^{3}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 1.30, size = 69, normalized size = 1.17 \[ \frac {b^{2} \log \left ({\left | d x + c \right |}\right )}{d^{3}} + \frac {4 \, {\left (b^{2} c - a b d\right )} x + \frac {3 \, b^{2} c^{2} - 2 \, a b c d - a^{2} d^{2}}{d}}{2 \, {\left (d x + c\right )}^{2} d^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.01, size = 92, normalized size = 1.56 \[ -\frac {a^{2}}{2 \left (d x +c \right )^{2} d}+\frac {a b c}{\left (d x +c \right )^{2} d^{2}}-\frac {b^{2} c^{2}}{2 \left (d x +c \right )^{2} d^{3}}-\frac {2 a b}{\left (d x +c \right ) d^{2}}+\frac {2 b^{2} c}{\left (d x +c \right ) d^{3}}+\frac {b^{2} \ln \left (d x +c \right )}{d^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 1.33, size = 80, normalized size = 1.36 \[ \frac {3 \, b^{2} c^{2} - 2 \, a b c d - a^{2} d^{2} + 4 \, {\left (b^{2} c d - a b d^{2}\right )} x}{2 \, {\left (d^{5} x^{2} + 2 \, c d^{4} x + c^{2} d^{3}\right )}} + \frac {b^{2} \log \left (d x + c\right )}{d^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 0.23, size = 77, normalized size = 1.31 \[ \frac {b^2\,\ln \left (c+d\,x\right )}{d^3}-\frac {\frac {a^2\,d^2+2\,a\,b\,c\,d-3\,b^2\,c^2}{2\,d^3}+\frac {2\,b\,x\,\left (a\,d-b\,c\right )}{d^2}}{c^2+2\,c\,d\,x+d^2\,x^2} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [A] time = 0.45, size = 80, normalized size = 1.36 \[ \frac {b^{2} \log {\left (c + d x \right )}}{d^{3}} + \frac {- a^{2} d^{2} - 2 a b c d + 3 b^{2} c^{2} + x \left (- 4 a b d^{2} + 4 b^{2} c d\right )}{2 c^{2} d^{3} + 4 c d^{4} x + 2 d^{5} x^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________