Optimal. Leaf size=171 \[ \frac {4096 c^4 \sqrt {1-a^2 x^2}}{315 a \sqrt {c-a c x}}+\frac {1024 c^3 \sqrt {c-a c x} \sqrt {1-a^2 x^2}}{315 a}+\frac {128 c^2 (c-a c x)^{3/2} \sqrt {1-a^2 x^2}}{105 a}+\frac {32 c (c-a c x)^{5/2} \sqrt {1-a^2 x^2}}{63 a}+\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a} \]
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Rubi [A]
time = 0.09, antiderivative size = 171, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 3, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {6262, 671, 663}
\begin {gather*} \frac {4096 c^4 \sqrt {1-a^2 x^2}}{315 a \sqrt {c-a c x}}+\frac {1024 c^3 \sqrt {1-a^2 x^2} \sqrt {c-a c x}}{315 a}+\frac {128 c^2 \sqrt {1-a^2 x^2} (c-a c x)^{3/2}}{105 a}+\frac {32 c \sqrt {1-a^2 x^2} (c-a c x)^{5/2}}{63 a}+\frac {2 \sqrt {1-a^2 x^2} (c-a c x)^{7/2}}{9 a} \end {gather*}
Antiderivative was successfully verified.
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Rule 663
Rule 671
Rule 6262
Rubi steps
\begin {align*} \int e^{-\tanh ^{-1}(a x)} (c-a c x)^{7/2} \, dx &=\frac {\int \frac {(c-a c x)^{9/2}}{\sqrt {1-a^2 x^2}} \, dx}{c}\\ &=\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a}+\frac {16}{9} \int \frac {(c-a c x)^{7/2}}{\sqrt {1-a^2 x^2}} \, dx\\ &=\frac {32 c (c-a c x)^{5/2} \sqrt {1-a^2 x^2}}{63 a}+\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a}+\frac {1}{21} (64 c) \int \frac {(c-a c x)^{5/2}}{\sqrt {1-a^2 x^2}} \, dx\\ &=\frac {128 c^2 (c-a c x)^{3/2} \sqrt {1-a^2 x^2}}{105 a}+\frac {32 c (c-a c x)^{5/2} \sqrt {1-a^2 x^2}}{63 a}+\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a}+\frac {1}{105} \left (512 c^2\right ) \int \frac {(c-a c x)^{3/2}}{\sqrt {1-a^2 x^2}} \, dx\\ &=\frac {1024 c^3 \sqrt {c-a c x} \sqrt {1-a^2 x^2}}{315 a}+\frac {128 c^2 (c-a c x)^{3/2} \sqrt {1-a^2 x^2}}{105 a}+\frac {32 c (c-a c x)^{5/2} \sqrt {1-a^2 x^2}}{63 a}+\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a}+\frac {1}{315} \left (2048 c^3\right ) \int \frac {\sqrt {c-a c x}}{\sqrt {1-a^2 x^2}} \, dx\\ &=\frac {4096 c^4 \sqrt {1-a^2 x^2}}{315 a \sqrt {c-a c x}}+\frac {1024 c^3 \sqrt {c-a c x} \sqrt {1-a^2 x^2}}{315 a}+\frac {128 c^2 (c-a c x)^{3/2} \sqrt {1-a^2 x^2}}{105 a}+\frac {32 c (c-a c x)^{5/2} \sqrt {1-a^2 x^2}}{63 a}+\frac {2 (c-a c x)^{7/2} \sqrt {1-a^2 x^2}}{9 a}\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 65, normalized size = 0.38 \begin {gather*} \frac {2 c^4 \sqrt {1-a^2 x^2} \left (2867-1276 a x+642 a^2 x^2-220 a^3 x^3+35 a^4 x^4\right )}{315 a \sqrt {c-a c x}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 1.26, size = 68, normalized size = 0.40
method | result | size |
gosper | \(\frac {2 \sqrt {-a^{2} x^{2}+1}\, \left (-c x a +c \right )^{\frac {7}{2}} \left (35 a^{4} x^{4}-220 a^{3} x^{3}+642 a^{2} x^{2}-1276 a x +2867\right )}{315 a \left (a x -1\right )^{4}}\) | \(64\) |
default | \(-\frac {2 \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}\, c^{3} \left (35 a^{4} x^{4}-220 a^{3} x^{3}+642 a^{2} x^{2}-1276 a x +2867\right )}{315 \left (a x -1\right ) a}\) | \(68\) |
risch | \(-\frac {2 \sqrt {-\frac {\left (-a^{2} x^{2}+1\right ) c}{a x -1}}\, \left (a x -1\right ) c^{4} \left (35 a^{4} x^{4}-220 a^{3} x^{3}+642 a^{2} x^{2}-1276 a x +2867\right ) \left (a x +1\right )}{315 \sqrt {-a^{2} x^{2}+1}\, \sqrt {-c \left (a x -1\right )}\, a \sqrt {\left (a x +1\right ) c}}\) | \(102\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 71, normalized size = 0.42 \begin {gather*} \frac {2 \, {\left (35 \, a^{4} c^{\frac {7}{2}} x^{4} - 220 \, a^{3} c^{\frac {7}{2}} x^{3} + 642 \, a^{2} c^{\frac {7}{2}} x^{2} - 1276 \, a c^{\frac {7}{2}} x + 2867 \, c^{\frac {7}{2}}\right )} \sqrt {a x + 1} {\left (a x - 1\right )}}{315 \, {\left (a^{2} x - a\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.39, size = 80, normalized size = 0.47 \begin {gather*} -\frac {2 \, {\left (35 \, a^{4} c^{3} x^{4} - 220 \, a^{3} c^{3} x^{3} + 642 \, a^{2} c^{3} x^{2} - 1276 \, a c^{3} x + 2867 \, c^{3}\right )} \sqrt {-a^{2} x^{2} + 1} \sqrt {-a c x + c}}{315 \, {\left (a^{2} x - a\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 {\left (- c \left (a x - 1\right )\right )^{\frac {7}{2}} \sqrt {- \left (a x - 1\right ) \left (a x + 1\right )}}{a x + 1}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.02, size = 88, normalized size = 0.51 \begin {gather*} -\frac {4096\,c^3\,\sqrt {1-a^2\,x^2}\,\sqrt {c-a\,c\,x}}{315\,a\,\left (a\,x-1\right )}-\frac {2\,c^3\,\sqrt {1-a^2\,x^2}\,\sqrt {c-a\,c\,x}\,\left (35\,a^3\,x^3-185\,a^2\,x^2+457\,a\,x-819\right )}{315\,a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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