Optimal. Leaf size=74 \[ -\frac {2 \left (b x+c x^2\right )^{5/2}}{9 b x^7}+\frac {8 c \left (b x+c x^2\right )^{5/2}}{63 b^2 x^6}-\frac {16 c^2 \left (b x+c x^2\right )^{5/2}}{315 b^3 x^5} \]
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Rubi [A]
time = 0.02, antiderivative size = 74, 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, 664}
\begin {gather*} -\frac {16 c^2 \left (b x+c x^2\right )^{5/2}}{315 b^3 x^5}+\frac {8 c \left (b x+c x^2\right )^{5/2}}{63 b^2 x^6}-\frac {2 \left (b x+c x^2\right )^{5/2}}{9 b x^7} \end {gather*}
Antiderivative was successfully verified.
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Rule 664
Rule 672
Rubi steps
\begin {align*} \int \frac {\left (b x+c x^2\right )^{3/2}}{x^7} \, dx &=-\frac {2 \left (b x+c x^2\right )^{5/2}}{9 b x^7}-\frac {(4 c) \int \frac {\left (b x+c x^2\right )^{3/2}}{x^6} \, dx}{9 b}\\ &=-\frac {2 \left (b x+c x^2\right )^{5/2}}{9 b x^7}+\frac {8 c \left (b x+c x^2\right )^{5/2}}{63 b^2 x^6}+\frac {\left (8 c^2\right ) \int \frac {\left (b x+c x^2\right )^{3/2}}{x^5} \, dx}{63 b^2}\\ &=-\frac {2 \left (b x+c x^2\right )^{5/2}}{9 b x^7}+\frac {8 c \left (b x+c x^2\right )^{5/2}}{63 b^2 x^6}-\frac {16 c^2 \left (b x+c x^2\right )^{5/2}}{315 b^3 x^5}\\ \end {align*}
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Mathematica [A]
time = 0.10, size = 40, normalized size = 0.54 \begin {gather*} -\frac {2 (x (b+c x))^{5/2} \left (35 b^2-20 b c x+8 c^2 x^2\right )}{315 b^3 x^7} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.39, size = 67, normalized size = 0.91
method | result | size |
gosper | \(-\frac {2 \left (c x +b \right ) \left (8 c^{2} x^{2}-20 b c x +35 b^{2}\right ) \left (c \,x^{2}+b x \right )^{\frac {3}{2}}}{315 b^{3} x^{6}}\) | \(44\) |
trager | \(-\frac {2 \left (8 c^{4} x^{4}-4 b \,c^{3} x^{3}+3 b^{2} c^{2} x^{2}+50 b^{3} c x +35 b^{4}\right ) \sqrt {c \,x^{2}+b x}}{315 b^{3} x^{5}}\) | \(61\) |
risch | \(-\frac {2 \left (c x +b \right ) \left (8 c^{4} x^{4}-4 b \,c^{3} x^{3}+3 b^{2} c^{2} x^{2}+50 b^{3} c x +35 b^{4}\right )}{315 x^{4} \sqrt {x \left (c x +b \right )}\, b^{3}}\) | \(64\) |
default | \(-\frac {2 \left (c \,x^{2}+b x \right )^{\frac {5}{2}}}{9 b \,x^{7}}-\frac {4 c \left (-\frac {2 \left (c \,x^{2}+b x \right )^{\frac {5}{2}}}{7 b \,x^{6}}+\frac {4 c \left (c \,x^{2}+b x \right )^{\frac {5}{2}}}{35 b^{2} x^{5}}\right )}{9 b}\) | \(67\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 117, normalized size = 1.58 \begin {gather*} -\frac {16 \, \sqrt {c x^{2} + b x} c^{4}}{315 \, b^{3} x} + \frac {8 \, \sqrt {c x^{2} + b x} c^{3}}{315 \, b^{2} x^{2}} - \frac {2 \, \sqrt {c x^{2} + b x} c^{2}}{105 \, b x^{3}} + \frac {\sqrt {c x^{2} + b x} c}{63 \, x^{4}} + \frac {\sqrt {c x^{2} + b x} b}{9 \, x^{5}} - \frac {{\left (c x^{2} + b x\right )}^{\frac {3}{2}}}{3 \, x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.58, size = 60, normalized size = 0.81 \begin {gather*} -\frac {2 \, {\left (8 \, c^{4} x^{4} - 4 \, b c^{3} x^{3} + 3 \, b^{2} c^{2} x^{2} + 50 \, b^{3} c x + 35 \, b^{4}\right )} \sqrt {c x^{2} + b x}}{315 \, b^{3} x^{5}} \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 {\left (x \left (b + c x\right )\right )^{\frac {3}{2}}}{x^{7}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 194 vs.
\(2 (62) = 124\).
time = 1.16, size = 194, normalized size = 2.62 \begin {gather*} \frac {2 \, {\left (420 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{6} c^{3} + 1575 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{5} b c^{\frac {5}{2}} + 2583 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{4} b^{2} c^{2} + 2310 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{3} b^{3} c^{\frac {3}{2}} + 1170 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{2} b^{4} c + 315 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )} b^{5} \sqrt {c} + 35 \, b^{6}\right )}}{315 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{9}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.80, size = 101, normalized size = 1.36 \begin {gather*} \frac {8\,c^3\,\sqrt {c\,x^2+b\,x}}{315\,b^2\,x^2}-\frac {20\,c\,\sqrt {c\,x^2+b\,x}}{63\,x^4}-\frac {2\,c^2\,\sqrt {c\,x^2+b\,x}}{105\,b\,x^3}-\frac {2\,b\,\sqrt {c\,x^2+b\,x}}{9\,x^5}-\frac {16\,c^4\,\sqrt {c\,x^2+b\,x}}{315\,b^3\,x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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