Integrand size = 25, antiderivative size = 65 \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=-\frac {2 i}{a^2 \sqrt [4]{a-i a x} (a+i a x)^{3/4}}+\frac {4 i (a-i a x)^{3/4}}{3 a^3 (a+i a x)^{3/4}} \]
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Time = 0.01 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {47, 37} \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\frac {4 i (a-i a x)^{3/4}}{3 a^3 (a+i a x)^{3/4}}-\frac {2 i}{a^2 \sqrt [4]{a-i a x} (a+i a x)^{3/4}} \]
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Rule 37
Rule 47
Rubi steps \begin{align*} \text {integral}& = -\frac {2 i}{a^2 \sqrt [4]{a-i a x} (a+i a x)^{3/4}}+\frac {2 \int \frac {1}{\sqrt [4]{a-i a x} (a+i a x)^{7/4}} \, dx}{a} \\ & = -\frac {2 i}{a^2 \sqrt [4]{a-i a x} (a+i a x)^{3/4}}+\frac {4 i (a-i a x)^{3/4}}{3 a^3 (a+i a x)^{3/4}} \\ \end{align*}
Time = 2.27 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.58 \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\frac {-2 i+4 x}{3 a^2 \sqrt [4]{a-i a x} (a+i a x)^{3/4}} \]
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Time = 0.37 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.51
method | result | size |
risch | \(\frac {\frac {4 x}{3}-\frac {2 i}{3}}{a^{2} \left (a \left (i x +1\right )\right )^{\frac {3}{4}} \left (-a \left (i x -1\right )\right )^{\frac {1}{4}}}\) | \(33\) |
gosper | \(\frac {2 \left (x +i\right ) \left (-x +i\right ) \left (-2 x +i\right )}{3 \left (-i a x +a \right )^{\frac {5}{4}} \left (i a x +a \right )^{\frac {7}{4}}}\) | \(37\) |
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none
Time = 0.23 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.55 \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\frac {2 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}} {\left (2 \, x - i\right )}}{3 \, {\left (a^{4} x^{2} + a^{4}\right )}} \]
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\[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\int \frac {1}{\left (i a \left (x - i\right )\right )^{\frac {7}{4}} \left (- i a \left (x + i\right )\right )^{\frac {5}{4}}}\, dx \]
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\[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\int { \frac {1}{{\left (i \, a x + a\right )}^{\frac {7}{4}} {\left (-i \, a x + a\right )}^{\frac {5}{4}}} \,d x } \]
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Exception generated. \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {1}{(a-i a x)^{5/4} (a+i a x)^{7/4}} \, dx=\int \frac {1}{{\left (a-a\,x\,1{}\mathrm {i}\right )}^{5/4}\,{\left (a+a\,x\,1{}\mathrm {i}\right )}^{7/4}} \,d x \]
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