Optimal. Leaf size=61 \[ \frac {(1+x)^{3/2}}{7 (1-x)^{7/2}}+\frac {2 (1+x)^{3/2}}{35 (1-x)^{5/2}}+\frac {2 (1+x)^{3/2}}{105 (1-x)^{3/2}} \]
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Rubi [A]
time = 0.01, antiderivative size = 61, 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 = {47, 37}
\begin {gather*} \frac {2 (x+1)^{3/2}}{105 (1-x)^{3/2}}+\frac {2 (x+1)^{3/2}}{35 (1-x)^{5/2}}+\frac {(x+1)^{3/2}}{7 (1-x)^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {\sqrt {1+x}}{(1-x)^{9/2}} \, dx &=\frac {(1+x)^{3/2}}{7 (1-x)^{7/2}}+\frac {2}{7} \int \frac {\sqrt {1+x}}{(1-x)^{7/2}} \, dx\\ &=\frac {(1+x)^{3/2}}{7 (1-x)^{7/2}}+\frac {2 (1+x)^{3/2}}{35 (1-x)^{5/2}}+\frac {2}{35} \int \frac {\sqrt {1+x}}{(1-x)^{5/2}} \, dx\\ &=\frac {(1+x)^{3/2}}{7 (1-x)^{7/2}}+\frac {2 (1+x)^{3/2}}{35 (1-x)^{5/2}}+\frac {2 (1+x)^{3/2}}{105 (1-x)^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.06, size = 30, normalized size = 0.49 \begin {gather*} \frac {(1+x)^{3/2} \left (23-10 x+2 x^2\right )}{105 (1-x)^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.14, size = 58, normalized size = 0.95
method | result | size |
gosper | \(\frac {\left (1+x \right )^{\frac {3}{2}} \left (2 x^{2}-10 x +23\right )}{105 \left (1-x \right )^{\frac {7}{2}}}\) | \(25\) |
default | \(\frac {2 \sqrt {1+x}}{7 \left (1-x \right )^{\frac {7}{2}}}-\frac {\sqrt {1+x}}{35 \left (1-x \right )^{\frac {5}{2}}}-\frac {2 \sqrt {1+x}}{105 \left (1-x \right )^{\frac {3}{2}}}-\frac {2 \sqrt {1+x}}{105 \sqrt {1-x}}\) | \(58\) |
risch | \(-\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \left (2 x^{4}-6 x^{3}+5 x^{2}+36 x +23\right )}{105 \sqrt {1-x}\, \sqrt {1+x}\, \left (-1+x \right )^{3} \sqrt {-\left (1+x \right ) \left (-1+x \right )}}\) | \(61\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 95 vs.
\(2 (43) = 86\).
time = 0.28, size = 95, normalized size = 1.56 \begin {gather*} \frac {2 \, \sqrt {-x^{2} + 1}}{7 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} + \frac {\sqrt {-x^{2} + 1}}{35 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} - \frac {2 \, \sqrt {-x^{2} + 1}}{105 \, {\left (x^{2} - 2 \, x + 1\right )}} + \frac {2 \, \sqrt {-x^{2} + 1}}{105 \, {\left (x - 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.61, size = 70, normalized size = 1.15 \begin {gather*} \frac {23 \, x^{4} - 92 \, x^{3} + 138 \, x^{2} + {\left (2 \, x^{3} - 8 \, x^{2} + 13 \, x + 23\right )} \sqrt {x + 1} \sqrt {-x + 1} - 92 \, x + 23}{105 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] Result contains complex when optimal does not.
time = 14.86, size = 566, normalized size = 9.28 \begin {gather*} \begin {cases} \frac {2 i \left (x + 1\right )^{\frac {9}{2}}}{105 \sqrt {x - 1} \left (x + 1\right )^{4} - 840 \sqrt {x - 1} \left (x + 1\right )^{3} + 2520 \sqrt {x - 1} \left (x + 1\right )^{2} - 3360 \sqrt {x - 1} \left (x + 1\right ) + 1680 \sqrt {x - 1}} - \frac {18 i \left (x + 1\right )^{\frac {7}{2}}}{105 \sqrt {x - 1} \left (x + 1\right )^{4} - 840 \sqrt {x - 1} \left (x + 1\right )^{3} + 2520 \sqrt {x - 1} \left (x + 1\right )^{2} - 3360 \sqrt {x - 1} \left (x + 1\right ) + 1680 \sqrt {x - 1}} + \frac {63 i \left (x + 1\right )^{\frac {5}{2}}}{105 \sqrt {x - 1} \left (x + 1\right )^{4} - 840 \sqrt {x - 1} \left (x + 1\right )^{3} + 2520 \sqrt {x - 1} \left (x + 1\right )^{2} - 3360 \sqrt {x - 1} \left (x + 1\right ) + 1680 \sqrt {x - 1}} - \frac {70 i \left (x + 1\right )^{\frac {3}{2}}}{105 \sqrt {x - 1} \left (x + 1\right )^{4} - 840 \sqrt {x - 1} \left (x + 1\right )^{3} + 2520 \sqrt {x - 1} \left (x + 1\right )^{2} - 3360 \sqrt {x - 1} \left (x + 1\right ) + 1680 \sqrt {x - 1}} & \text {for}\: \left |{x + 1}\right | > 2 \\- \frac {2 \left (x + 1\right )^{\frac {9}{2}}}{105 \sqrt {1 - x} \left (x + 1\right )^{4} - 840 \sqrt {1 - x} \left (x + 1\right )^{3} + 2520 \sqrt {1 - x} \left (x + 1\right )^{2} - 3360 \sqrt {1 - x} \left (x + 1\right ) + 1680 \sqrt {1 - x}} + \frac {18 \left (x + 1\right )^{\frac {7}{2}}}{105 \sqrt {1 - x} \left (x + 1\right )^{4} - 840 \sqrt {1 - x} \left (x + 1\right )^{3} + 2520 \sqrt {1 - x} \left (x + 1\right )^{2} - 3360 \sqrt {1 - x} \left (x + 1\right ) + 1680 \sqrt {1 - x}} - \frac {63 \left (x + 1\right )^{\frac {5}{2}}}{105 \sqrt {1 - x} \left (x + 1\right )^{4} - 840 \sqrt {1 - x} \left (x + 1\right )^{3} + 2520 \sqrt {1 - x} \left (x + 1\right )^{2} - 3360 \sqrt {1 - x} \left (x + 1\right ) + 1680 \sqrt {1 - x}} + \frac {70 \left (x + 1\right )^{\frac {3}{2}}}{105 \sqrt {1 - x} \left (x + 1\right )^{4} - 840 \sqrt {1 - x} \left (x + 1\right )^{3} + 2520 \sqrt {1 - x} \left (x + 1\right )^{2} - 3360 \sqrt {1 - x} \left (x + 1\right ) + 1680 \sqrt {1 - x}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.08, size = 29, normalized size = 0.48 \begin {gather*} \frac {{\left (2 \, {\left (x + 1\right )} {\left (x - 6\right )} + 35\right )} {\left (x + 1\right )}^{\frac {3}{2}} \sqrt {-x + 1}}{105 \, {\left (x - 1\right )}^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.27, size = 64, normalized size = 1.05 \begin {gather*} \frac {\sqrt {1-x}\,\left (\frac {13\,x\,\sqrt {x+1}}{105}+\frac {23\,\sqrt {x+1}}{105}-\frac {8\,x^2\,\sqrt {x+1}}{105}+\frac {2\,x^3\,\sqrt {x+1}}{105}\right )}{x^4-4\,x^3+6\,x^2-4\,x+1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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