Optimal. Leaf size=68 \[ \frac{A}{2 a^2 \left (a+b x^2\right )}-\frac{A \log \left (a+b x^2\right )}{2 a^3}+\frac{A \log (x)}{a^3}+\frac{A b-a B}{4 a b \left (a+b x^2\right )^2} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0604057, antiderivative size = 68, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {446, 77} \[ \frac{A}{2 a^2 \left (a+b x^2\right )}-\frac{A \log \left (a+b x^2\right )}{2 a^3}+\frac{A \log (x)}{a^3}+\frac{A b-a B}{4 a b \left (a+b x^2\right )^2} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 446
Rule 77
Rubi steps
\begin{align*} \int \frac{A+B x^2}{x \left (a+b x^2\right )^3} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{A+B x}{x (a+b x)^3} \, dx,x,x^2\right )\\ &=\frac{1}{2} \operatorname{Subst}\left (\int \left (\frac{A}{a^3 x}+\frac{-A b+a B}{a (a+b x)^3}-\frac{A b}{a^2 (a+b x)^2}-\frac{A b}{a^3 (a+b x)}\right ) \, dx,x,x^2\right )\\ &=\frac{A b-a B}{4 a b \left (a+b x^2\right )^2}+\frac{A}{2 a^2 \left (a+b x^2\right )}+\frac{A \log (x)}{a^3}-\frac{A \log \left (a+b x^2\right )}{2 a^3}\\ \end{align*}
Mathematica [A] time = 0.0466887, size = 59, normalized size = 0.87 \[ \frac{\frac{a \left (a^2 (-B)+3 a A b+2 A b^2 x^2\right )}{b \left (a+b x^2\right )^2}-2 A \log \left (a+b x^2\right )+4 A \log (x)}{4 a^3} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.011, size = 68, normalized size = 1. \begin{align*}{\frac{A\ln \left ( x \right ) }{{a}^{3}}}+{\frac{A}{4\,a \left ( b{x}^{2}+a \right ) ^{2}}}-{\frac{B}{4\,b \left ( b{x}^{2}+a \right ) ^{2}}}-{\frac{A\ln \left ( b{x}^{2}+a \right ) }{2\,{a}^{3}}}+{\frac{A}{2\,{a}^{2} \left ( b{x}^{2}+a \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.01256, size = 104, normalized size = 1.53 \begin{align*} \frac{2 \, A b^{2} x^{2} - B a^{2} + 3 \, A a b}{4 \,{\left (a^{2} b^{3} x^{4} + 2 \, a^{3} b^{2} x^{2} + a^{4} b\right )}} - \frac{A \log \left (b x^{2} + a\right )}{2 \, a^{3}} + \frac{A \log \left (x^{2}\right )}{2 \, a^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.23087, size = 250, normalized size = 3.68 \begin{align*} \frac{2 \, A a b^{2} x^{2} - B a^{3} + 3 \, A a^{2} b - 2 \,{\left (A b^{3} x^{4} + 2 \, A a b^{2} x^{2} + A a^{2} b\right )} \log \left (b x^{2} + a\right ) + 4 \,{\left (A b^{3} x^{4} + 2 \, A a b^{2} x^{2} + A a^{2} b\right )} \log \left (x\right )}{4 \,{\left (a^{3} b^{3} x^{4} + 2 \, a^{4} b^{2} x^{2} + a^{5} b\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 0.743284, size = 75, normalized size = 1.1 \begin{align*} \frac{A \log{\left (x \right )}}{a^{3}} - \frac{A \log{\left (\frac{a}{b} + x^{2} \right )}}{2 a^{3}} + \frac{3 A a b + 2 A b^{2} x^{2} - B a^{2}}{4 a^{4} b + 8 a^{3} b^{2} x^{2} + 4 a^{2} b^{3} x^{4}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.15929, size = 103, normalized size = 1.51 \begin{align*} \frac{A \log \left (x^{2}\right )}{2 \, a^{3}} - \frac{A \log \left ({\left | b x^{2} + a \right |}\right )}{2 \, a^{3}} + \frac{3 \, A b^{3} x^{4} + 8 \, A a b^{2} x^{2} - B a^{3} + 6 \, A a^{2} b}{4 \,{\left (b x^{2} + a\right )}^{2} a^{3} b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]