Optimal. Leaf size=130 \[ -\frac {75 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )}{64 a^4}-\frac {75 x \sqrt {c-\frac {c}{a x}}}{64 a^3}-\frac {25 x^2 \sqrt {c-\frac {c}{a x}}}{32 a^2}-\frac {1}{4} x^4 \sqrt {c-\frac {c}{a x}}-\frac {5 x^3 \sqrt {c-\frac {c}{a x}}}{8 a} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.25, antiderivative size = 130, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 8, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.296, Rules used = {6133, 25, 514, 446, 78, 51, 63, 208} \[ -\frac {25 x^2 \sqrt {c-\frac {c}{a x}}}{32 a^2}-\frac {75 x \sqrt {c-\frac {c}{a x}}}{64 a^3}-\frac {75 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )}{64 a^4}-\frac {1}{4} x^4 \sqrt {c-\frac {c}{a x}}-\frac {5 x^3 \sqrt {c-\frac {c}{a x}}}{8 a} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 25
Rule 51
Rule 63
Rule 78
Rule 208
Rule 446
Rule 514
Rule 6133
Rubi steps
\begin {align*} \int e^{2 \tanh ^{-1}(a x)} \sqrt {c-\frac {c}{a x}} x^3 \, dx &=\int \frac {\sqrt {c-\frac {c}{a x}} x^3 (1+a x)}{1-a x} \, dx\\ &=-\frac {c \int \frac {x^2 (1+a x)}{\sqrt {c-\frac {c}{a x}}} \, dx}{a}\\ &=-\frac {c \int \frac {\left (a+\frac {1}{x}\right ) x^3}{\sqrt {c-\frac {c}{a x}}} \, dx}{a}\\ &=\frac {c \operatorname {Subst}\left (\int \frac {a+x}{x^5 \sqrt {c-\frac {c x}{a}}} \, dx,x,\frac {1}{x}\right )}{a}\\ &=-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4+\frac {(15 c) \operatorname {Subst}\left (\int \frac {1}{x^4 \sqrt {c-\frac {c x}{a}}} \, dx,x,\frac {1}{x}\right )}{8 a}\\ &=-\frac {5 \sqrt {c-\frac {c}{a x}} x^3}{8 a}-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4+\frac {(25 c) \operatorname {Subst}\left (\int \frac {1}{x^3 \sqrt {c-\frac {c x}{a}}} \, dx,x,\frac {1}{x}\right )}{16 a^2}\\ &=-\frac {25 \sqrt {c-\frac {c}{a x}} x^2}{32 a^2}-\frac {5 \sqrt {c-\frac {c}{a x}} x^3}{8 a}-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4+\frac {(75 c) \operatorname {Subst}\left (\int \frac {1}{x^2 \sqrt {c-\frac {c x}{a}}} \, dx,x,\frac {1}{x}\right )}{64 a^3}\\ &=-\frac {75 \sqrt {c-\frac {c}{a x}} x}{64 a^3}-\frac {25 \sqrt {c-\frac {c}{a x}} x^2}{32 a^2}-\frac {5 \sqrt {c-\frac {c}{a x}} x^3}{8 a}-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4+\frac {(75 c) \operatorname {Subst}\left (\int \frac {1}{x \sqrt {c-\frac {c x}{a}}} \, dx,x,\frac {1}{x}\right )}{128 a^4}\\ &=-\frac {75 \sqrt {c-\frac {c}{a x}} x}{64 a^3}-\frac {25 \sqrt {c-\frac {c}{a x}} x^2}{32 a^2}-\frac {5 \sqrt {c-\frac {c}{a x}} x^3}{8 a}-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4-\frac {75 \operatorname {Subst}\left (\int \frac {1}{a-\frac {a x^2}{c}} \, dx,x,\sqrt {c-\frac {c}{a x}}\right )}{64 a^3}\\ &=-\frac {75 \sqrt {c-\frac {c}{a x}} x}{64 a^3}-\frac {25 \sqrt {c-\frac {c}{a x}} x^2}{32 a^2}-\frac {5 \sqrt {c-\frac {c}{a x}} x^3}{8 a}-\frac {1}{4} \sqrt {c-\frac {c}{a x}} x^4-\frac {75 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c-\frac {c}{a x}}}{\sqrt {c}}\right )}{64 a^4}\\ \end {align*}
________________________________________________________________________________________
Mathematica [C] time = 0.03, size = 50, normalized size = 0.38 \[ -\frac {\sqrt {c-\frac {c}{a x}} \left (a^4 x^4+15 \, _2F_1\left (\frac {1}{2},4;\frac {3}{2};1-\frac {1}{a x}\right )\right )}{4 a^4} \]
Warning: Unable to verify antiderivative.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.45, size = 179, normalized size = 1.38 \[ \left [-\frac {2 \, {\left (16 \, a^{4} x^{4} + 40 \, a^{3} x^{3} + 50 \, a^{2} x^{2} + 75 \, a x\right )} \sqrt {\frac {a c x - c}{a x}} - 75 \, \sqrt {c} \log \left (-2 \, a c x + 2 \, a \sqrt {c} x \sqrt {\frac {a c x - c}{a x}} + c\right )}{128 \, a^{4}}, -\frac {{\left (16 \, a^{4} x^{4} + 40 \, a^{3} x^{3} + 50 \, a^{2} x^{2} + 75 \, a x\right )} \sqrt {\frac {a c x - c}{a x}} - 75 \, \sqrt {-c} \arctan \left (\frac {\sqrt {-c} \sqrt {\frac {a c x - c}{a x}}}{c}\right )}{64 \, a^{4}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [A] time = 0.21, size = 142, normalized size = 1.09 \[ -\frac {1}{64} \, \sqrt {a^{2} c x^{2} - a c x} {\left (2 \, {\left (4 \, x {\left (\frac {2 \, x {\left | a \right |}}{a^{2} \mathrm {sgn}\relax (x)} + \frac {5 \, {\left | a \right |}}{a^{3} \mathrm {sgn}\relax (x)}\right )} + \frac {25 \, {\left | a \right |}}{a^{4} \mathrm {sgn}\relax (x)}\right )} x + \frac {75 \, {\left | a \right |}}{a^{5} \mathrm {sgn}\relax (x)}\right )} - \frac {75 \, \sqrt {c} \log \left ({\left | a \right |} {\left | c \right |}\right ) \mathrm {sgn}\relax (x)}{128 \, a^{4}} + \frac {75 \, \sqrt {c} \log \left ({\left | -2 \, {\left (\sqrt {a^{2} c} x - \sqrt {a^{2} c x^{2} - a c x}\right )} \sqrt {c} {\left | a \right |} + a c \right |}\right )}{128 \, a^{4} \mathrm {sgn}\relax (x)} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.04, size = 172, normalized size = 1.32 \[ -\frac {\sqrt {\frac {c \left (a x -1\right )}{a x}}\, x \left (32 x \left (a \,x^{2}-x \right )^{\frac {3}{2}} a^{\frac {7}{2}}+112 \left (a \,x^{2}-x \right )^{\frac {3}{2}} a^{\frac {5}{2}}+212 \sqrt {a \,x^{2}-x}\, a^{\frac {5}{2}} x -106 \sqrt {a \,x^{2}-x}\, a^{\frac {3}{2}}+256 a^{\frac {3}{2}} \sqrt {\left (a x -1\right ) x}+128 a \ln \left (\frac {2 \sqrt {\left (a x -1\right ) x}\, \sqrt {a}+2 a x -1}{2 \sqrt {a}}\right )-53 \ln \left (\frac {2 \sqrt {a \,x^{2}-x}\, \sqrt {a}+2 a x -1}{2 \sqrt {a}}\right ) a \right )}{128 \sqrt {\left (a x -1\right ) x}\, a^{\frac {9}{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ -\int \frac {{\left (a x + 1\right )}^{2} \sqrt {c - \frac {c}{a x}} x^{3}}{a^{2} x^{2} - 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 1.35, size = 111, normalized size = 0.85 \[ \frac {365\,x^4\,{\left (c-\frac {c}{a\,x}\right )}^{3/2}}{64\,c}-\frac {181\,x^4\,\sqrt {c-\frac {c}{a\,x}}}{64}-\frac {275\,x^4\,{\left (c-\frac {c}{a\,x}\right )}^{5/2}}{64\,c^2}+\frac {75\,x^4\,{\left (c-\frac {c}{a\,x}\right )}^{7/2}}{64\,c^3}+\frac {\sqrt {c}\,\mathrm {atan}\left (\frac {\sqrt {c-\frac {c}{a\,x}}\,1{}\mathrm {i}}{\sqrt {c}}\right )\,75{}\mathrm {i}}{64\,a^4} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ - \int \frac {x^{3} \sqrt {c - \frac {c}{a x}}}{a x - 1}\, dx - \int \frac {a x^{4} \sqrt {c - \frac {c}{a x}}}{a x - 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________