Optimal. Leaf size=317 \[ \frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{a}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}-\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{a}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}+\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}-\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}+1\right )}{a^{7/4} c n}-\frac{4 (c x)^{-3 n/4}}{3 a c n} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.242825, antiderivative size = 317, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 9, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.429, Rules used = {363, 362, 345, 211, 1165, 628, 1162, 617, 204} \[ \frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{a}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}-\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{a}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}+\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}-\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}+1\right )}{a^{7/4} c n}-\frac{4 (c x)^{-3 n/4}}{3 a c n} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 363
Rule 362
Rule 345
Rule 211
Rule 1165
Rule 628
Rule 1162
Rule 617
Rule 204
Rubi steps
\begin{align*} \int \frac{(c x)^{-1-\frac{3 n}{4}}}{a+b x^n} \, dx &=\frac{\left (x^{3 n/4} (c x)^{-3 n/4}\right ) \int \frac{x^{-1-\frac{3 n}{4}}}{a+b x^n} \, dx}{c}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}-\frac{\left (b x^{3 n/4} (c x)^{-3 n/4}\right ) \int \frac{x^{\frac{1}{4} (-4+n)}}{a+b x^n} \, dx}{a c}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}-\frac{\left (4 b x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{1}{a+b x^4} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{a c n}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}-\frac{\left (2 b x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{\sqrt{a}-\sqrt{b} x^2}{a+b x^4} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{a^{3/2} c n}-\frac{\left (2 b x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{\sqrt{a}+\sqrt{b} x^2}{a+b x^4} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{a^{3/2} c n}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}-\frac{\left (\sqrt{b} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt{a}}{\sqrt{b}}-\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{a^{3/2} c n}-\frac{\left (\sqrt{b} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt{a}}{\sqrt{b}}+\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{a^{3/2} c n}+\frac{\left (b^{3/4} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [4]{a}}{\sqrt [4]{b}}+2 x}{-\frac{\sqrt{a}}{\sqrt{b}}-\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{\sqrt{2} a^{7/4} c n}+\frac{\left (b^{3/4} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [4]{a}}{\sqrt [4]{b}}-2 x}{-\frac{\sqrt{a}}{\sqrt{b}}+\frac{\sqrt{2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx,x,x^{1+\frac{1}{4} (-4+n)}\right )}{\sqrt{2} a^{7/4} c n}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}+\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{a}-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}-\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{a}+\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}-\frac{\left (\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{\sqrt{2} \sqrt [4]{b} x^{1+\frac{1}{4} (-4+n)}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}+\frac{\left (\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4}\right ) \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{\sqrt{2} \sqrt [4]{b} x^{1+\frac{1}{4} (-4+n)}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}\\ &=-\frac{4 (c x)^{-3 n/4}}{3 a c n}+\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}-\frac{\sqrt{2} b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \tan ^{-1}\left (1+\frac{\sqrt{2} \sqrt [4]{b} x^{n/4}}{\sqrt [4]{a}}\right )}{a^{7/4} c n}+\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{a}-\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}-\frac{b^{3/4} x^{3 n/4} (c x)^{-3 n/4} \log \left (\sqrt{a}+\sqrt{2} \sqrt [4]{a} \sqrt [4]{b} x^{n/4}+\sqrt{b} x^{n/2}\right )}{\sqrt{2} a^{7/4} c n}\\ \end{align*}
Mathematica [C] time = 0.0105467, size = 39, normalized size = 0.12 \[ -\frac{4 x (c x)^{-\frac{3 n}{4}-1} \, _2F_1\left (-\frac{3}{4},1;\frac{1}{4};-\frac{b x^n}{a}\right )}{3 a n} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F] time = 0.066, size = 0, normalized size = 0. \begin{align*} \int{\frac{1}{a+b{x}^{n}} \left ( cx \right ) ^{-1-{\frac{3\,n}{4}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} -b \int \frac{x^{\frac{1}{4} \, n}}{a b c^{\frac{3}{4} \, n + 1} x x^{n} + a^{2} c^{\frac{3}{4} \, n + 1} x}\,{d x} - \frac{4 \, c^{-\frac{3}{4} \, n - 1}}{3 \, a n x^{\frac{3}{4} \, n}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A] time = 4.49438, size = 1112, normalized size = 3.51 \begin{align*} -\frac{12 \, a n \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{1}{4}} \arctan \left (-\frac{a^{2} b^{2} c^{-2 \, n - \frac{8}{3}} n x^{\frac{1}{3}} \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{1}{4}} e^{\left (-\frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (c\right ) - \frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (x\right )\right )} - a^{2} n x^{\frac{1}{3}} \sqrt{-\frac{a^{3} b^{3} c^{-3 \, n - 4} n^{2} x^{\frac{1}{3}} \sqrt{-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}} - b^{4} c^{-4 \, n - \frac{16}{3}} x e^{\left (-\frac{1}{6} \,{\left (3 \, n + 4\right )} \log \left (c\right ) - \frac{1}{6} \,{\left (3 \, n + 4\right )} \log \left (x\right )\right )}}{x}} \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{1}{4}}}{b^{3} c^{-3 \, n - 4}}\right ) - 3 \, a n \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{1}{4}} \log \left (\frac{a^{5} n^{3} x^{\frac{2}{3}} \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{3}{4}} + b^{2} c^{-2 \, n - \frac{8}{3}} x e^{\left (-\frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (c\right ) - \frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (x\right )\right )}}{x}\right ) + 3 \, a n \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{1}{4}} \log \left (-\frac{a^{5} n^{3} x^{\frac{2}{3}} \left (-\frac{b^{3} c^{-3 \, n - 4}}{a^{7} n^{4}}\right )^{\frac{3}{4}} - b^{2} c^{-2 \, n - \frac{8}{3}} x e^{\left (-\frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (c\right ) - \frac{1}{12} \,{\left (3 \, n + 4\right )} \log \left (x\right )\right )}}{x}\right ) + 4 \, x e^{\left (-\frac{1}{4} \,{\left (3 \, n + 4\right )} \log \left (c\right ) - \frac{1}{4} \,{\left (3 \, n + 4\right )} \log \left (x\right )\right )}}{3 \, a n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [C] time = 5.26776, size = 309, normalized size = 0.97 \begin{align*} \frac{c^{- \frac{3 n}{4}} x^{- \frac{3 n}{4}} \Gamma \left (- \frac{3}{4}\right )}{a c n \Gamma \left (\frac{1}{4}\right )} - \frac{3 b^{\frac{3}{4}} c^{- \frac{3 n}{4}} e^{- \frac{i \pi }{4}} \log{\left (1 - \frac{\sqrt [4]{b} x^{\frac{n}{4}} e^{\frac{i \pi }{4}}}{\sqrt [4]{a}} \right )} \Gamma \left (- \frac{3}{4}\right )}{4 a^{\frac{7}{4}} c n \Gamma \left (\frac{1}{4}\right )} + \frac{3 i b^{\frac{3}{4}} c^{- \frac{3 n}{4}} e^{- \frac{i \pi }{4}} \log{\left (1 - \frac{\sqrt [4]{b} x^{\frac{n}{4}} e^{\frac{3 i \pi }{4}}}{\sqrt [4]{a}} \right )} \Gamma \left (- \frac{3}{4}\right )}{4 a^{\frac{7}{4}} c n \Gamma \left (\frac{1}{4}\right )} + \frac{3 b^{\frac{3}{4}} c^{- \frac{3 n}{4}} e^{- \frac{i \pi }{4}} \log{\left (1 - \frac{\sqrt [4]{b} x^{\frac{n}{4}} e^{\frac{5 i \pi }{4}}}{\sqrt [4]{a}} \right )} \Gamma \left (- \frac{3}{4}\right )}{4 a^{\frac{7}{4}} c n \Gamma \left (\frac{1}{4}\right )} - \frac{3 i b^{\frac{3}{4}} c^{- \frac{3 n}{4}} e^{- \frac{i \pi }{4}} \log{\left (1 - \frac{\sqrt [4]{b} x^{\frac{n}{4}} e^{\frac{7 i \pi }{4}}}{\sqrt [4]{a}} \right )} \Gamma \left (- \frac{3}{4}\right )}{4 a^{\frac{7}{4}} c n \Gamma \left (\frac{1}{4}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (c x\right )^{-\frac{3}{4} \, n - 1}}{b x^{n} + a}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]