Integrand size = 25, antiderivative size = 133 \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=-\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}}-\frac {4 i (a+i a x)^{3/4}}{55 a^3 (a-i a x)^{11/4}}-\frac {16 i (a+i a x)^{3/4}}{385 a^4 (a-i a x)^{7/4}}-\frac {32 i (a+i a x)^{3/4}}{1155 a^5 (a-i a x)^{3/4}} \]
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Time = 0.02 (sec) , antiderivative size = 133, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {47, 37} \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=-\frac {32 i (a+i a x)^{3/4}}{1155 a^5 (a-i a x)^{3/4}}-\frac {16 i (a+i a x)^{3/4}}{385 a^4 (a-i a x)^{7/4}}-\frac {4 i (a+i a x)^{3/4}}{55 a^3 (a-i a x)^{11/4}}-\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}} \]
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Rule 37
Rule 47
Rubi steps \begin{align*} \text {integral}& = -\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}}+\frac {2 \int \frac {1}{(a-i a x)^{15/4} \sqrt [4]{a+i a x}} \, dx}{5 a} \\ & = -\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}}-\frac {4 i (a+i a x)^{3/4}}{55 a^3 (a-i a x)^{11/4}}+\frac {8 \int \frac {1}{(a-i a x)^{11/4} \sqrt [4]{a+i a x}} \, dx}{55 a^2} \\ & = -\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}}-\frac {4 i (a+i a x)^{3/4}}{55 a^3 (a-i a x)^{11/4}}-\frac {16 i (a+i a x)^{3/4}}{385 a^4 (a-i a x)^{7/4}}+\frac {16 \int \frac {1}{(a-i a x)^{7/4} \sqrt [4]{a+i a x}} \, dx}{385 a^3} \\ & = -\frac {2 i (a+i a x)^{3/4}}{15 a^2 (a-i a x)^{15/4}}-\frac {4 i (a+i a x)^{3/4}}{55 a^3 (a-i a x)^{11/4}}-\frac {16 i (a+i a x)^{3/4}}{385 a^4 (a-i a x)^{7/4}}-\frac {32 i (a+i a x)^{3/4}}{1155 a^5 (a-i a x)^{3/4}} \\ \end{align*}
Time = 10.10 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.43 \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=\frac {2 (a+i a x)^{3/4} \left (-159+138 i x+72 x^2-16 i x^3\right )}{1155 a^5 (i+x)^3 (a-i a x)^{3/4}} \]
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Time = 0.37 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.36
method | result | size |
gosper | \(-\frac {2 \left (x +i\right ) \left (-x +i\right ) \left (16 x^{3}+72 i x^{2}-138 x -159 i\right )}{1155 \left (-i a x +a \right )^{\frac {19}{4}} \left (i a x +a \right )^{\frac {1}{4}}}\) | \(48\) |
risch | \(\frac {\frac {32}{1155} x^{4}+\frac {16}{165} i x^{3}-\frac {4}{35} x^{2}-\frac {2}{55} i x -\frac {106}{385}}{a^{4} \left (-a \left (i x -1\right )\right )^{\frac {3}{4}} \left (a \left (i x +1\right )\right )^{\frac {1}{4}} \left (x +i\right )^{3}}\) | \(55\) |
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Time = 0.22 (sec) , antiderivative size = 68, normalized size of antiderivative = 0.51 \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=\frac {2 \, {\left (16 \, x^{3} + 72 i \, x^{2} - 138 \, x - 159 i\right )} {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{1155 \, {\left (a^{6} x^{4} + 4 i \, a^{6} x^{3} - 6 \, a^{6} x^{2} - 4 i \, a^{6} x + a^{6}\right )}} \]
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Timed out. \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=\int { \frac {1}{{\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {19}{4}}} \,d x } \]
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Exception generated. \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=\text {Exception raised: TypeError} \]
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Time = 0.89 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.43 \[ \int \frac {1}{(a-i a x)^{19/4} \sqrt [4]{a+i a x}} \, dx=-\frac {{\left (x-\mathrm {i}\right )}^5\,{\left (-a\,\left (-1+x\,1{}\mathrm {i}\right )\right )}^{1/4}\,\left (-16\,x^3-x^2\,72{}\mathrm {i}+138\,x+159{}\mathrm {i}\right )\,2{}\mathrm {i}}{1155\,a^5\,{\left (x^2+1\right )}^4\,{\left (a\,\left (1+x\,1{}\mathrm {i}\right )\right )}^{1/4}} \]
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