Optimal. Leaf size=106 \[ -\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}}+\frac {4 b}{7 a^2 x \left (a x+b x^2\right )^{3/2}}-\frac {32 b^2 (a+2 b x)}{21 a^4 \left (a x+b x^2\right )^{3/2}}+\frac {256 b^3 (a+2 b x)}{21 a^6 \sqrt {a x+b x^2}} \]
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Rubi [A]
time = 0.03, antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {672, 628, 627}
\begin {gather*} \frac {256 b^3 (a+2 b x)}{21 a^6 \sqrt {a x+b x^2}}-\frac {32 b^2 (a+2 b x)}{21 a^4 \left (a x+b x^2\right )^{3/2}}+\frac {4 b}{7 a^2 x \left (a x+b x^2\right )^{3/2}}-\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 627
Rule 628
Rule 672
Rubi steps
\begin {align*} \int \frac {1}{x^2 \left (a x+b x^2\right )^{5/2}} \, dx &=-\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}}-\frac {(10 b) \int \frac {1}{x \left (a x+b x^2\right )^{5/2}} \, dx}{7 a}\\ &=-\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}}+\frac {4 b}{7 a^2 x \left (a x+b x^2\right )^{3/2}}+\frac {\left (16 b^2\right ) \int \frac {1}{\left (a x+b x^2\right )^{5/2}} \, dx}{7 a^2}\\ &=-\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}}+\frac {4 b}{7 a^2 x \left (a x+b x^2\right )^{3/2}}-\frac {32 b^2 (a+2 b x)}{21 a^4 \left (a x+b x^2\right )^{3/2}}-\frac {\left (128 b^3\right ) \int \frac {1}{\left (a x+b x^2\right )^{3/2}} \, dx}{21 a^4}\\ &=-\frac {2}{7 a x^2 \left (a x+b x^2\right )^{3/2}}+\frac {4 b}{7 a^2 x \left (a x+b x^2\right )^{3/2}}-\frac {32 b^2 (a+2 b x)}{21 a^4 \left (a x+b x^2\right )^{3/2}}+\frac {256 b^3 (a+2 b x)}{21 a^6 \sqrt {a x+b x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.12, size = 73, normalized size = 0.69 \begin {gather*} \frac {2 \left (-3 a^5+6 a^4 b x-16 a^3 b^2 x^2+96 a^2 b^3 x^3+384 a b^4 x^4+256 b^5 x^5\right )}{21 a^6 x^2 (x (a+b x))^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.43, size = 99, normalized size = 0.93
method | result | size |
gosper | \(-\frac {2 \left (b x +a \right ) \left (-256 b^{5} x^{5}-384 a \,b^{4} x^{4}-96 a^{2} b^{3} x^{3}+16 a^{3} x^{2} b^{2}-6 a^{4} b x +3 a^{5}\right )}{21 x \,a^{6} \left (b \,x^{2}+a x \right )^{\frac {5}{2}}}\) | \(77\) |
trager | \(-\frac {2 \left (-256 b^{5} x^{5}-384 a \,b^{4} x^{4}-96 a^{2} b^{3} x^{3}+16 a^{3} x^{2} b^{2}-6 a^{4} b x +3 a^{5}\right ) \sqrt {b \,x^{2}+a x}}{21 a^{6} x^{4} \left (b x +a \right )^{2}}\) | \(79\) |
risch | \(-\frac {2 \left (b x +a \right ) \left (-158 b^{3} x^{3}+37 a \,b^{2} x^{2}-12 a^{2} b x +3 a^{3}\right )}{21 a^{6} x^{3} \sqrt {x \left (b x +a \right )}}+\frac {2 b^{4} \left (14 b x +15 a \right ) x}{3 \sqrt {x \left (b x +a \right )}\, \left (b x +a \right ) a^{6}}\) | \(87\) |
default | \(-\frac {2}{7 a \,x^{2} \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}-\frac {10 b \left (-\frac {2}{5 a x \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}-\frac {8 b \left (-\frac {2 \left (2 b x +a \right )}{3 a^{2} \left (b \,x^{2}+a x \right )^{\frac {3}{2}}}+\frac {16 b \left (2 b x +a \right )}{3 a^{4} \sqrt {b \,x^{2}+a x}}\right )}{5 a}\right )}{7 a}\) | \(99\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 118, normalized size = 1.11 \begin {gather*} -\frac {64 \, b^{3} x}{21 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} a^{4}} + \frac {512 \, b^{4} x}{21 \, \sqrt {b x^{2} + a x} a^{6}} - \frac {32 \, b^{2}}{21 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} a^{3}} + \frac {256 \, b^{3}}{21 \, \sqrt {b x^{2} + a x} a^{5}} + \frac {4 \, b}{7 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} a^{2} x} - \frac {2}{7 \, {\left (b x^{2} + a x\right )}^{\frac {3}{2}} a x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.59, size = 94, normalized size = 0.89 \begin {gather*} \frac {2 \, {\left (256 \, b^{5} x^{5} + 384 \, a b^{4} x^{4} + 96 \, a^{2} b^{3} x^{3} - 16 \, a^{3} b^{2} x^{2} + 6 \, a^{4} b x - 3 \, a^{5}\right )} \sqrt {b x^{2} + a x}}{21 \, {\left (a^{6} b^{2} x^{6} + 2 \, a^{7} b x^{5} + a^{8} x^{4}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{x^{2} \left (x \left (a + b x\right )\right )^{\frac {5}{2}}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.35, size = 121, normalized size = 1.14 \begin {gather*} \frac {\sqrt {b\,x^2+a\,x}\,\left (\frac {256\,b^3}{21\,a^5}+\frac {512\,b^4\,x}{21\,a^6}\right )}{x\,\left (a+b\,x\right )}-\frac {\sqrt {b\,x^2+a\,x}\,\left (\frac {74\,b^2}{21\,a^3}+\frac {88\,b^3\,x}{21\,a^4}\right )}{x^2\,{\left (a+b\,x\right )}^2}-\frac {2\,\sqrt {b\,x^2+a\,x}}{7\,a^3\,x^4}+\frac {8\,b\,\sqrt {b\,x^2+a\,x}}{7\,a^4\,x^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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