Optimal. Leaf size=49 \[ -\frac {\, _2F_1\left (1,-\frac {3}{2}-\frac {1}{n};-\frac {1-n}{n};-\frac {b x^n}{a}\right )}{a x \left (a+b x^n\right )^{3/2}} \]
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Rubi [A] time = 0.02, antiderivative size = 61, normalized size of antiderivative = 1.24, number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {365, 364} \[ -\frac {\sqrt {\frac {b x^n}{a}+1} \, _2F_1\left (\frac {5}{2},-\frac {1}{n};-\frac {1-n}{n};-\frac {b x^n}{a}\right )}{a^2 x \sqrt {a+b x^n}} \]
Antiderivative was successfully verified.
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Rule 364
Rule 365
Rubi steps
\begin {align*} \int \frac {1}{x^2 \left (a+b x^n\right )^{5/2}} \, dx &=\frac {\sqrt {1+\frac {b x^n}{a}} \int \frac {1}{x^2 \left (1+\frac {b x^n}{a}\right )^{5/2}} \, dx}{a^2 \sqrt {a+b x^n}}\\ &=-\frac {\sqrt {1+\frac {b x^n}{a}} \, _2F_1\left (\frac {5}{2},-\frac {1}{n};-\frac {1-n}{n};-\frac {b x^n}{a}\right )}{a^2 x \sqrt {a+b x^n}}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 58, normalized size = 1.18 \[ -\frac {\sqrt {\frac {b x^n}{a}+1} \, _2F_1\left (\frac {5}{2},-\frac {1}{n};1-\frac {1}{n};-\frac {b x^n}{a}\right )}{a^2 x \sqrt {a+b x^n}} \]
Antiderivative was successfully verified.
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fricas [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{{\left (b x^{n} + a\right )}^{\frac {5}{2}} x^{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.22, size = 0, normalized size = 0.00 \[ \int \frac {1}{\left (b \,x^{n}+a \right )^{\frac {5}{2}} x^{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{{\left (b x^{n} + a\right )}^{\frac {5}{2}} x^{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.02 \[ \int \frac {1}{x^2\,{\left (a+b\,x^n\right )}^{5/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 4.00, size = 42, normalized size = 0.86 \[ \frac {\Gamma \left (- \frac {1}{n}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {5}{2}, - \frac {1}{n} \\ 1 - \frac {1}{n} \end {matrix}\middle | {\frac {b x^{n} e^{i \pi }}{a}} \right )}}{a^{\frac {5}{2}} n x \Gamma \left (1 - \frac {1}{n}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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