Optimal. Leaf size=133 \[ -\frac {2 i}{7 a^2 (a-i a x)^{7/4} (a+i a x)^{5/4}}-\frac {4 i}{7 a^3 (a-i a x)^{3/4} (a+i a x)^{5/4}}+\frac {16 i \sqrt [4]{a-i a x}}{35 a^4 (a+i a x)^{5/4}}+\frac {32 i \sqrt [4]{a-i a x}}{35 a^5 \sqrt [4]{a+i a x}} \]
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Rubi [A]
time = 0.02, antiderivative size = 133, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 2, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {47, 37}
\begin {gather*} \frac {32 i \sqrt [4]{a-i a x}}{35 a^5 \sqrt [4]{a+i a x}}+\frac {16 i \sqrt [4]{a-i a x}}{35 a^4 (a+i a x)^{5/4}}-\frac {4 i}{7 a^3 (a+i a x)^{5/4} (a-i a x)^{3/4}}-\frac {2 i}{7 a^2 (a+i a x)^{5/4} (a-i a x)^{7/4}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {1}{(a-i a x)^{11/4} (a+i a x)^{9/4}} \, dx &=-\frac {2 i}{7 a^2 (a-i a x)^{7/4} (a+i a x)^{5/4}}+\frac {6 \int \frac {1}{(a-i a x)^{7/4} (a+i a x)^{9/4}} \, dx}{7 a}\\ &=-\frac {2 i}{7 a^2 (a-i a x)^{7/4} (a+i a x)^{5/4}}-\frac {4 i}{7 a^3 (a-i a x)^{3/4} (a+i a x)^{5/4}}+\frac {8 \int \frac {1}{(a-i a x)^{3/4} (a+i a x)^{9/4}} \, dx}{7 a^2}\\ &=-\frac {2 i}{7 a^2 (a-i a x)^{7/4} (a+i a x)^{5/4}}-\frac {4 i}{7 a^3 (a-i a x)^{3/4} (a+i a x)^{5/4}}+\frac {16 i \sqrt [4]{a-i a x}}{35 a^4 (a+i a x)^{5/4}}+\frac {16 \int \frac {1}{(a-i a x)^{3/4} (a+i a x)^{5/4}} \, dx}{35 a^3}\\ &=-\frac {2 i}{7 a^2 (a-i a x)^{7/4} (a+i a x)^{5/4}}-\frac {4 i}{7 a^3 (a-i a x)^{3/4} (a+i a x)^{5/4}}+\frac {16 i \sqrt [4]{a-i a x}}{35 a^4 (a+i a x)^{5/4}}+\frac {32 i \sqrt [4]{a-i a x}}{35 a^5 \sqrt [4]{a+i a x}}\\ \end {align*}
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Mathematica [A]
time = 0.11, size = 64, normalized size = 0.48 \begin {gather*} \frac {2 (a+i a x)^{3/4} \left (9-22 i x+8 x^2-16 i x^3\right )}{35 a^5 (-i+x)^2 (i+x) (a-i a x)^{3/4}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.16, size = 56, normalized size = 0.42
method | result | size |
risch | \(\frac {\frac {32}{35} x^{3}+\frac {16}{35} i x^{2}+\frac {44}{35} x +\frac {18}{35} i}{a^{4} \left (-a \left (i x -1\right )\right )^{\frac {3}{4}} \left (a \left (i x +1\right )\right )^{\frac {1}{4}} \left (x -i\right ) \left (x +i\right )}\) | \(56\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.96, size = 54, normalized size = 0.41 \begin {gather*} \frac {2 \, {\left (16 \, x^{3} + 8 i \, x^{2} + 22 \, x + 9 i\right )} {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{35 \, {\left (a^{6} x^{4} + 2 \, a^{6} x^{2} + a^{6}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \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 = 0.69, size = 56, normalized size = 0.42 \begin {gather*} \frac {2\,{\left (-a\,\left (-1+x\,1{}\mathrm {i}\right )\right )}^{1/4}\,\left (x^4\,16{}\mathrm {i}+8\,x^3+x^2\,30{}\mathrm {i}+13\,x+9{}\mathrm {i}\right )}{35\,a^5\,{\left (x^2+1\right )}^2\,{\left (a\,\left (1+x\,1{}\mathrm {i}\right )\right )}^{1/4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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