Optimal. Leaf size=89 \[ \frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(a d+b c) \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x^n}}{\sqrt{b} \sqrt{c+d x^n}}\right )}{b^{3/2} d^{3/2} n} \]
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Rubi [A] time = 0.0875472, antiderivative size = 89, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 30, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {446, 80, 63, 217, 206} \[ \frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(a d+b c) \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x^n}}{\sqrt{b} \sqrt{c+d x^n}}\right )}{b^{3/2} d^{3/2} n} \]
Antiderivative was successfully verified.
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Rule 446
Rule 80
Rule 63
Rule 217
Rule 206
Rubi steps
\begin{align*} \int \frac{x^{-1+2 n}}{\sqrt{a+b x^n} \sqrt{c+d x^n}} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{x}{\sqrt{a+b x} \sqrt{c+d x}} \, dx,x,x^n\right )}{n}\\ &=\frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(b c+a d) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x} \sqrt{c+d x}} \, dx,x,x^n\right )}{2 b d n}\\ &=\frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(b c+a d) \operatorname{Subst}\left (\int \frac{1}{\sqrt{c-\frac{a d}{b}+\frac{d x^2}{b}}} \, dx,x,\sqrt{a+b x^n}\right )}{b^2 d n}\\ &=\frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(b c+a d) \operatorname{Subst}\left (\int \frac{1}{1-\frac{d x^2}{b}} \, dx,x,\frac{\sqrt{a+b x^n}}{\sqrt{c+d x^n}}\right )}{b^2 d n}\\ &=\frac{\sqrt{a+b x^n} \sqrt{c+d x^n}}{b d n}-\frac{(b c+a d) \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x^n}}{\sqrt{b} \sqrt{c+d x^n}}\right )}{b^{3/2} d^{3/2} n}\\ \end{align*}
Mathematica [A] time = 0.199474, size = 123, normalized size = 1.38 \[ \frac{b \sqrt{d} \sqrt{a+b x^n} \left (c+d x^n\right )-\sqrt{b c-a d} (a d+b c) \sqrt{\frac{b \left (c+d x^n\right )}{b c-a d}} \sinh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x^n}}{\sqrt{b c-a d}}\right )}{b^2 d^{3/2} n \sqrt{c+d x^n}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.065, size = 0, normalized size = 0. \begin{align*} \int{{x}^{-1+2\,n}{\frac{1}{\sqrt{a+b{x}^{n}}}}{\frac{1}{\sqrt{c+d{x}^{n}}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{2 \, n - 1}}{\sqrt{b x^{n} + a} \sqrt{d x^{n} + c}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.08688, size = 645, normalized size = 7.25 \begin{align*} \left [\frac{4 \, \sqrt{b x^{n} + a} \sqrt{d x^{n} + c} b d +{\left (b c + a d\right )} \sqrt{b d} \log \left (8 \, b^{2} d^{2} x^{2 \, n} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} - 4 \,{\left (2 \, \sqrt{b d} b d x^{n} +{\left (b c + a d\right )} \sqrt{b d}\right )} \sqrt{b x^{n} + a} \sqrt{d x^{n} + c} + 8 \,{\left (b^{2} c d + a b d^{2}\right )} x^{n}\right )}{4 \, b^{2} d^{2} n}, \frac{2 \, \sqrt{b x^{n} + a} \sqrt{d x^{n} + c} b d +{\left (b c + a d\right )} \sqrt{-b d} \arctan \left (\frac{{\left (2 \, \sqrt{-b d} b d x^{n} +{\left (b c + a d\right )} \sqrt{-b d}\right )} \sqrt{b x^{n} + a} \sqrt{d x^{n} + c}}{2 \,{\left (b^{2} d^{2} x^{2 \, n} + a b c d +{\left (b^{2} c d + a b d^{2}\right )} x^{n}\right )}}\right )}{2 \, b^{2} d^{2} n}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{2 \, n - 1}}{\sqrt{b x^{n} + a} \sqrt{d x^{n} + c}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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