Optimal. Leaf size=63 \[ \frac{(a d+b c) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 a^{3/2} b^{3/2}}+\frac{x (b c-a d)}{2 a b \left (a+b x^2\right )} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0222988, antiderivative size = 63, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.118, Rules used = {385, 205} \[ \frac{(a d+b c) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 a^{3/2} b^{3/2}}+\frac{x (b c-a d)}{2 a b \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 385
Rule 205
Rubi steps
\begin{align*} \int \frac{c+d x^2}{\left (a+b x^2\right )^2} \, dx &=\frac{(b c-a d) x}{2 a b \left (a+b x^2\right )}+\frac{(b c+a d) \int \frac{1}{a+b x^2} \, dx}{2 a b}\\ &=\frac{(b c-a d) x}{2 a b \left (a+b x^2\right )}+\frac{(b c+a d) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 a^{3/2} b^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.0437442, size = 63, normalized size = 1. \[ \frac{(a d+b c) \tan ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a}}\right )}{2 a^{3/2} b^{3/2}}-\frac{x (a d-b c)}{2 a b \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0., size = 68, normalized size = 1.1 \begin{align*} -{\frac{ \left ( ad-bc \right ) x}{2\,ab \left ( b{x}^{2}+a \right ) }}+{\frac{d}{2\,b}\arctan \left ({bx{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}}+{\frac{c}{2\,a}\arctan \left ({bx{\frac{1}{\sqrt{ab}}}} \right ){\frac{1}{\sqrt{ab}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 1.54424, size = 381, normalized size = 6.05 \begin{align*} \left [-\frac{{\left (a b c + a^{2} d +{\left (b^{2} c + a b d\right )} x^{2}\right )} \sqrt{-a b} \log \left (\frac{b x^{2} - 2 \, \sqrt{-a b} x - a}{b x^{2} + a}\right ) - 2 \,{\left (a b^{2} c - a^{2} b d\right )} x}{4 \,{\left (a^{2} b^{3} x^{2} + a^{3} b^{2}\right )}}, \frac{{\left (a b c + a^{2} d +{\left (b^{2} c + a b d\right )} x^{2}\right )} \sqrt{a b} \arctan \left (\frac{\sqrt{a b} x}{a}\right ) +{\left (a b^{2} c - a^{2} b d\right )} x}{2 \,{\left (a^{2} b^{3} x^{2} + a^{3} b^{2}\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [B] time = 0.53018, size = 112, normalized size = 1.78 \begin{align*} - \frac{x \left (a d - b c\right )}{2 a^{2} b + 2 a b^{2} x^{2}} - \frac{\sqrt{- \frac{1}{a^{3} b^{3}}} \left (a d + b c\right ) \log{\left (- a^{2} b \sqrt{- \frac{1}{a^{3} b^{3}}} + x \right )}}{4} + \frac{\sqrt{- \frac{1}{a^{3} b^{3}}} \left (a d + b c\right ) \log{\left (a^{2} b \sqrt{- \frac{1}{a^{3} b^{3}}} + x \right )}}{4} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A] time = 1.19489, size = 77, normalized size = 1.22 \begin{align*} \frac{{\left (b c + a d\right )} \arctan \left (\frac{b x}{\sqrt{a b}}\right )}{2 \, \sqrt{a b} a b} + \frac{b c x - a d x}{2 \,{\left (b x^{2} + a\right )} a b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]