Optimal. Leaf size=77 \[ -\frac {2}{5 b x^2 \sqrt {b x+c x^2}}+\frac {4 c}{5 b^2 x \sqrt {b x+c x^2}}-\frac {16 c^2 (b+2 c x)}{5 b^4 \sqrt {b x+c x^2}} \]
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Rubi [A]
time = 0.02, antiderivative size = 77, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {672, 627}
\begin {gather*} -\frac {16 c^2 (b+2 c x)}{5 b^4 \sqrt {b x+c x^2}}+\frac {4 c}{5 b^2 x \sqrt {b x+c x^2}}-\frac {2}{5 b x^2 \sqrt {b x+c x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 627
Rule 672
Rubi steps
\begin {align*} \int \frac {1}{x^2 \left (b x+c x^2\right )^{3/2}} \, dx &=-\frac {2}{5 b x^2 \sqrt {b x+c x^2}}-\frac {(6 c) \int \frac {1}{x \left (b x+c x^2\right )^{3/2}} \, dx}{5 b}\\ &=-\frac {2}{5 b x^2 \sqrt {b x+c x^2}}+\frac {4 c}{5 b^2 x \sqrt {b x+c x^2}}+\frac {\left (8 c^2\right ) \int \frac {1}{\left (b x+c x^2\right )^{3/2}} \, dx}{5 b^2}\\ &=-\frac {2}{5 b x^2 \sqrt {b x+c x^2}}+\frac {4 c}{5 b^2 x \sqrt {b x+c x^2}}-\frac {16 c^2 (b+2 c x)}{5 b^4 \sqrt {b x+c x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.09, size = 49, normalized size = 0.64 \begin {gather*} -\frac {2 \left (b^3-2 b^2 c x+8 b c^2 x^2+16 c^3 x^3\right )}{5 b^4 x^2 \sqrt {x (b+c x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.42, size = 70, normalized size = 0.91
method | result | size |
gosper | \(-\frac {2 \left (c x +b \right ) \left (16 c^{3} x^{3}+8 b \,c^{2} x^{2}-2 b^{2} c x +b^{3}\right )}{5 x \,b^{4} \left (c \,x^{2}+b x \right )^{\frac {3}{2}}}\) | \(53\) |
trager | \(-\frac {2 \left (16 c^{3} x^{3}+8 b \,c^{2} x^{2}-2 b^{2} c x +b^{3}\right ) \sqrt {c \,x^{2}+b x}}{5 \left (c x +b \right ) x^{3} b^{4}}\) | \(55\) |
risch | \(-\frac {2 \left (c x +b \right ) \left (11 c^{2} x^{2}-3 b c x +b^{2}\right )}{5 b^{4} x^{2} \sqrt {x \left (c x +b \right )}}-\frac {2 c^{3} x}{\sqrt {x \left (c x +b \right )}\, b^{4}}\) | \(59\) |
default | \(-\frac {2}{5 b \,x^{2} \sqrt {c \,x^{2}+b x}}-\frac {6 c \left (-\frac {2}{3 b x \sqrt {c \,x^{2}+b x}}+\frac {8 c \left (2 c x +b \right )}{3 b^{3} \sqrt {c \,x^{2}+b x}}\right )}{5 b}\) | \(70\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 79, normalized size = 1.03 \begin {gather*} -\frac {32 \, c^{3} x}{5 \, \sqrt {c x^{2} + b x} b^{4}} - \frac {16 \, c^{2}}{5 \, \sqrt {c x^{2} + b x} b^{3}} + \frac {4 \, c}{5 \, \sqrt {c x^{2} + b x} b^{2} x} - \frac {2}{5 \, \sqrt {c x^{2} + b x} b x^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.37, size = 59, normalized size = 0.77 \begin {gather*} -\frac {2 \, {\left (16 \, c^{3} x^{3} + 8 \, b c^{2} x^{2} - 2 \, b^{2} c x + b^{3}\right )} \sqrt {c x^{2} + b x}}{5 \, {\left (b^{4} c x^{4} + b^{5} x^{3}\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 (b + c x\right )\right )^{\frac {3}{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 = 0.28, size = 54, normalized size = 0.70 \begin {gather*} -\frac {2\,\sqrt {c\,x^2+b\,x}\,\left (b^3-2\,b^2\,c\,x+8\,b\,c^2\,x^2+16\,c^3\,x^3\right )}{5\,b^4\,x^3\,\left (b+c\,x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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