Optimal. Leaf size=94 \[ \frac{b x^2 \left (2 a d^2+b c^2\right )}{2 d^3}-\frac{b c x \left (2 a d^2+b c^2\right )}{d^4}+\frac{\left (a d^2+b c^2\right )^2 \log (c+d x)}{d^5}-\frac{b^2 c x^3}{3 d^2}+\frac{b^2 x^4}{4 d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.127105, antiderivative size = 94, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 3, integrand size = 52, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.058, Rules used = {1586, 28, 697} \[ \frac{b x^2 \left (2 a d^2+b c^2\right )}{2 d^3}-\frac{b c x \left (2 a d^2+b c^2\right )}{d^4}+\frac{\left (a d^2+b c^2\right )^2 \log (c+d x)}{d^5}-\frac{b^2 c x^3}{3 d^2}+\frac{b^2 x^4}{4 d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 1586
Rule 28
Rule 697
Rubi steps
\begin{align*} \int \frac{a^2 c+a^2 d x+2 a b c x^2+2 a b d x^3+b^2 c x^4+b^2 d x^5}{(c+d x)^2} \, dx &=\int \frac{a^2+2 a b x^2+b^2 x^4}{c+d x} \, dx\\ &=\frac{\int \frac{\left (a b+b^2 x^2\right )^2}{c+d x} \, dx}{b^2}\\ &=\frac{\int \left (-\frac{b^3 c \left (b c^2+2 a d^2\right )}{d^4}+\frac{b^3 \left (b c^2+2 a d^2\right ) x}{d^3}-\frac{b^4 c x^2}{d^2}+\frac{b^4 x^3}{d}+\frac{b^2 \left (b c^2+a d^2\right )^2}{d^4 (c+d x)}\right ) \, dx}{b^2}\\ &=-\frac{b c \left (b c^2+2 a d^2\right ) x}{d^4}+\frac{b \left (b c^2+2 a d^2\right ) x^2}{2 d^3}-\frac{b^2 c x^3}{3 d^2}+\frac{b^2 x^4}{4 d}+\frac{\left (b c^2+a d^2\right )^2 \log (c+d x)}{d^5}\\ \end{align*}
Mathematica [A] time = 0.0394355, size = 79, normalized size = 0.84 \[ \frac{b d x \left (12 a d^2 (d x-2 c)+b \left (6 c^2 d x-12 c^3-4 c d^2 x^2+3 d^3 x^3\right )\right )+12 \left (a d^2+b c^2\right )^2 \log (c+d x)}{12 d^5} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.004, size = 114, normalized size = 1.2 \begin{align*}{\frac{{b}^{2}{x}^{4}}{4\,d}}-{\frac{{b}^{2}c{x}^{3}}{3\,{d}^{2}}}+{\frac{b{x}^{2}a}{d}}+{\frac{{b}^{2}{x}^{2}{c}^{2}}{2\,{d}^{3}}}-2\,{\frac{abcx}{{d}^{2}}}-{\frac{{b}^{2}{c}^{3}x}{{d}^{4}}}+{\frac{\ln \left ( dx+c \right ){a}^{2}}{d}}+2\,{\frac{\ln \left ( dx+c \right ) ab{c}^{2}}{{d}^{3}}}+{\frac{\ln \left ( dx+c \right ){b}^{2}{c}^{4}}{{d}^{5}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.0549, size = 142, normalized size = 1.51 \begin{align*} \frac{3 \, b^{2} d^{3} x^{4} - 4 \, b^{2} c d^{2} x^{3} + 6 \,{\left (b^{2} c^{2} d + 2 \, a b d^{3}\right )} x^{2} - 12 \,{\left (b^{2} c^{3} + 2 \, a b c d^{2}\right )} x}{12 \, d^{4}} + \frac{{\left (b^{2} c^{4} + 2 \, a b c^{2} d^{2} + a^{2} d^{4}\right )} \log \left (d x + c\right )}{d^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.24347, size = 223, normalized size = 2.37 \begin{align*} \frac{3 \, b^{2} d^{4} x^{4} - 4 \, b^{2} c d^{3} x^{3} + 6 \,{\left (b^{2} c^{2} d^{2} + 2 \, a b d^{4}\right )} x^{2} - 12 \,{\left (b^{2} c^{3} d + 2 \, a b c d^{3}\right )} x + 12 \,{\left (b^{2} c^{4} + 2 \, a b c^{2} d^{2} + a^{2} d^{4}\right )} \log \left (d x + c\right )}{12 \, d^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 0.449617, size = 90, normalized size = 0.96 \begin{align*} - \frac{b^{2} c x^{3}}{3 d^{2}} + \frac{b^{2} x^{4}}{4 d} + \frac{x^{2} \left (2 a b d^{2} + b^{2} c^{2}\right )}{2 d^{3}} - \frac{x \left (2 a b c d^{2} + b^{2} c^{3}\right )}{d^{4}} + \frac{\left (a d^{2} + b c^{2}\right )^{2} \log{\left (c + d x \right )}}{d^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.48736, size = 493, normalized size = 5.24 \begin{align*} -\frac{1}{12} \, b^{2} d{\left (\frac{{\left (d x + c\right )}^{4}{\left (\frac{20 \, c}{d x + c} - \frac{60 \, c^{2}}{{\left (d x + c\right )}^{2}} + \frac{120 \, c^{3}}{{\left (d x + c\right )}^{3}} - 3\right )}}{d^{6}} + \frac{60 \, c^{4} \log \left (\frac{{\left | d x + c \right |}}{{\left (d x + c\right )}^{2}{\left | d \right |}}\right )}{d^{6}} - \frac{12 \, c^{5}}{{\left (d x + c\right )} d^{6}}\right )} - \frac{1}{3} \, b^{2} c{\left (\frac{{\left (d x + c\right )}^{3}{\left (\frac{6 \, c}{d x + c} - \frac{18 \, c^{2}}{{\left (d x + c\right )}^{2}} - 1\right )}}{d^{5}} - \frac{12 \, c^{3} \log \left (\frac{{\left | d x + c \right |}}{{\left (d x + c\right )}^{2}{\left | d \right |}}\right )}{d^{5}} + \frac{3 \, c^{4}}{{\left (d x + c\right )} d^{5}}\right )} - a b d{\left (\frac{{\left (d x + c\right )}^{2}{\left (\frac{6 \, c}{d x + c} - 1\right )}}{d^{4}} + \frac{6 \, c^{2} \log \left (\frac{{\left | d x + c \right |}}{{\left (d x + c\right )}^{2}{\left | d \right |}}\right )}{d^{4}} - \frac{2 \, c^{3}}{{\left (d x + c\right )} d^{4}}\right )} + 2 \, a b c{\left (\frac{2 \, c \log \left (\frac{{\left | d x + c \right |}}{{\left (d x + c\right )}^{2}{\left | d \right |}}\right )}{d^{3}} + \frac{d x + c}{d^{3}} - \frac{c^{2}}{{\left (d x + c\right )} d^{3}}\right )} - a^{2}{\left (\frac{\log \left (\frac{{\left | d x + c \right |}}{{\left (d x + c\right )}^{2}{\left | d \right |}}\right )}{d} - \frac{c}{{\left (d x + c\right )} d}\right )} - \frac{a^{2} c}{{\left (d x + c\right )} d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]