Optimal. Leaf size=297 \[ \frac{\sqrt [8]{c} \log \left (-\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \log \left (\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}+1\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\sqrt [8]{c} \tanh ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{2}{a \sqrt{x}} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.273812, antiderivative size = 297, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 12, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.8, Rules used = {325, 329, 301, 297, 1162, 617, 204, 1165, 628, 298, 205, 208} \[ \frac{\sqrt [8]{c} \log \left (-\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \log \left (\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{-a}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}+1\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\sqrt [8]{c} \tanh ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{2}{a \sqrt{x}} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 325
Rule 329
Rule 301
Rule 297
Rule 1162
Rule 617
Rule 204
Rule 1165
Rule 628
Rule 298
Rule 205
Rule 208
Rubi steps
\begin{align*} \int \frac{1}{x^{3/2} \left (a+c x^4\right )} \, dx &=-\frac{2}{a \sqrt{x}}-\frac{c \int \frac{x^{5/2}}{a+c x^4} \, dx}{a}\\ &=-\frac{2}{a \sqrt{x}}-\frac{(2 c) \operatorname{Subst}\left (\int \frac{x^6}{a+c x^8} \, dx,x,\sqrt{x}\right )}{a}\\ &=-\frac{2}{a \sqrt{x}}+\frac{\sqrt{c} \operatorname{Subst}\left (\int \frac{x^2}{\sqrt{-a}-\sqrt{c} x^4} \, dx,x,\sqrt{x}\right )}{a}-\frac{\sqrt{c} \operatorname{Subst}\left (\int \frac{x^2}{\sqrt{-a}+\sqrt{c} x^4} \, dx,x,\sqrt{x}\right )}{a}\\ &=-\frac{2}{a \sqrt{x}}+\frac{\sqrt [4]{c} \operatorname{Subst}\left (\int \frac{1}{\sqrt [4]{-a}-\sqrt [4]{c} x^2} \, dx,x,\sqrt{x}\right )}{2 a}-\frac{\sqrt [4]{c} \operatorname{Subst}\left (\int \frac{1}{\sqrt [4]{-a}+\sqrt [4]{c} x^2} \, dx,x,\sqrt{x}\right )}{2 a}+\frac{\sqrt [4]{c} \operatorname{Subst}\left (\int \frac{\sqrt [4]{-a}-\sqrt [4]{c} x^2}{\sqrt{-a}+\sqrt{c} x^4} \, dx,x,\sqrt{x}\right )}{2 a}-\frac{\sqrt [4]{c} \operatorname{Subst}\left (\int \frac{\sqrt [4]{-a}+\sqrt [4]{c} x^2}{\sqrt{-a}+\sqrt{c} x^4} \, dx,x,\sqrt{x}\right )}{2 a}\\ &=-\frac{2}{a \sqrt{x}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\sqrt [8]{c} \tanh ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt [4]{-a}}{\sqrt [4]{c}}-\frac{\sqrt{2} \sqrt [8]{-a} x}{\sqrt [8]{c}}+x^2} \, dx,x,\sqrt{x}\right )}{4 a}-\frac{\operatorname{Subst}\left (\int \frac{1}{\frac{\sqrt [4]{-a}}{\sqrt [4]{c}}+\frac{\sqrt{2} \sqrt [8]{-a} x}{\sqrt [8]{c}}+x^2} \, dx,x,\sqrt{x}\right )}{4 a}+\frac{\sqrt [8]{c} \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [8]{-a}}{\sqrt [8]{c}}+2 x}{-\frac{\sqrt [4]{-a}}{\sqrt [4]{c}}-\frac{\sqrt{2} \sqrt [8]{-a} x}{\sqrt [8]{c}}-x^2} \, dx,x,\sqrt{x}\right )}{4 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \operatorname{Subst}\left (\int \frac{\frac{\sqrt{2} \sqrt [8]{-a}}{\sqrt [8]{c}}-2 x}{-\frac{\sqrt [4]{-a}}{\sqrt [4]{c}}+\frac{\sqrt{2} \sqrt [8]{-a} x}{\sqrt [8]{c}}-x^2} \, dx,x,\sqrt{x}\right )}{4 \sqrt{2} (-a)^{9/8}}\\ &=-\frac{2}{a \sqrt{x}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\sqrt [8]{c} \tanh ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}+\frac{\sqrt [8]{c} \log \left (\sqrt [4]{-a}-\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \log \left (\sqrt [4]{-a}+\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1-\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \operatorname{Subst}\left (\int \frac{1}{-1-x^2} \, dx,x,1+\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}\\ &=-\frac{2}{a \sqrt{x}}-\frac{\sqrt [8]{c} \tan ^{-1}\left (1-\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (1+\frac{\sqrt{2} \sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 \sqrt{2} (-a)^{9/8}}+\frac{\sqrt [8]{c} \tan ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}-\frac{\sqrt [8]{c} \tanh ^{-1}\left (\frac{\sqrt [8]{c} \sqrt{x}}{\sqrt [8]{-a}}\right )}{2 (-a)^{9/8}}+\frac{\sqrt [8]{c} \log \left (\sqrt [4]{-a}-\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}-\frac{\sqrt [8]{c} \log \left (\sqrt [4]{-a}+\sqrt{2} \sqrt [8]{-a} \sqrt [8]{c} \sqrt{x}+\sqrt [4]{c} x\right )}{4 \sqrt{2} (-a)^{9/8}}\\ \end{align*}
Mathematica [C] time = 0.0053997, size = 27, normalized size = 0.09 \[ -\frac{2 \, _2F_1\left (-\frac{1}{8},1;\frac{7}{8};-\frac{c x^4}{a}\right )}{a \sqrt{x}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [C] time = 0.007, size = 38, normalized size = 0.1 \begin{align*} -{\frac{1}{4\,a}\sum _{{\it \_R}={\it RootOf} \left ({{\it \_Z}}^{8}c+a \right ) }{\frac{1}{{\it \_R}}\ln \left ( \sqrt{x}-{\it \_R} \right ) }}-2\,{\frac{1}{a\sqrt{x}}} \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*} -c \int \frac{x^{\frac{5}{2}}}{a c x^{4} + a^{2}}\,{d x} - \frac{2}{a \sqrt{x}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 1.68229, size = 1127, normalized size = 3.79 \begin{align*} \frac{4 \, \sqrt{2} a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \arctan \left (-\frac{\sqrt{2} a c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} - \sqrt{2} \sqrt{\sqrt{2} a^{8} c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} - a^{7} c \left (-\frac{c}{a^{9}}\right )^{\frac{3}{4}} + c^{2} x} a \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} - c}{c}\right ) + 4 \, \sqrt{2} a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \arctan \left (-\frac{\sqrt{2} a c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} - \sqrt{2} \sqrt{-\sqrt{2} a^{8} c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} - a^{7} c \left (-\frac{c}{a^{9}}\right )^{\frac{3}{4}} + c^{2} x} a \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} + c}{c}\right ) - \sqrt{2} a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \log \left (\sqrt{2} a^{8} c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} - a^{7} c \left (-\frac{c}{a^{9}}\right )^{\frac{3}{4}} + c^{2} x\right ) + \sqrt{2} a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \log \left (-\sqrt{2} a^{8} c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} - a^{7} c \left (-\frac{c}{a^{9}}\right )^{\frac{3}{4}} + c^{2} x\right ) + 8 \, a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \arctan \left (-\frac{a c \sqrt{x} \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} - \sqrt{-a^{7} c \left (-\frac{c}{a^{9}}\right )^{\frac{3}{4}} + c^{2} x} a \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}}}{c}\right ) - 2 \, a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \log \left (a^{8} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} + c \sqrt{x}\right ) + 2 \, a x \left (-\frac{c}{a^{9}}\right )^{\frac{1}{8}} \log \left (-a^{8} \left (-\frac{c}{a^{9}}\right )^{\frac{7}{8}} + c \sqrt{x}\right ) - 16 \, \sqrt{x}}{8 \, a x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.33349, size = 612, normalized size = 2.06 \begin{align*} -\frac{c \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \arctan \left (\frac{\sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + 2 \, \sqrt{x}}{\sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}}}\right )}{4 \, a^{2}} - \frac{c \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \arctan \left (-\frac{\sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} - 2 \, \sqrt{x}}{\sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}}}\right )}{4 \, a^{2}} - \frac{c \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \arctan \left (\frac{\sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + 2 \, \sqrt{x}}{\sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}}}\right )}{4 \, a^{2}} - \frac{c \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \arctan \left (-\frac{\sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} - 2 \, \sqrt{x}}{\sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}}}\right )}{4 \, a^{2}} + \frac{c \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \log \left (\sqrt{x} \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + x + \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}{8 \, a^{2}} - \frac{c \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \log \left (-\sqrt{x} \sqrt{\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + x + \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}{8 \, a^{2}} + \frac{c \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \log \left (\sqrt{x} \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + x + \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}{8 \, a^{2}} - \frac{c \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{7}{8}} \log \left (-\sqrt{x} \sqrt{-\sqrt{2} + 2} \left (\frac{a}{c}\right )^{\frac{1}{8}} + x + \left (\frac{a}{c}\right )^{\frac{1}{4}}\right )}{8 \, a^{2}} - \frac{2}{a \sqrt{x}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]