Optimal. Leaf size=100 \[ -\frac{16 i \sqrt [4]{a+i a x}}{45 a^4 \sqrt [4]{a-i a x}}-\frac{8 i \sqrt [4]{a+i a x}}{45 a^3 (a-i a x)^{5/4}}-\frac{2 i \sqrt [4]{a+i a x}}{9 a^2 (a-i a x)^{9/4}} \]
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Rubi [A] time = 0.0179842, antiderivative size = 100, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.08, Rules used = {45, 37} \[ -\frac{16 i \sqrt [4]{a+i a x}}{45 a^4 \sqrt [4]{a-i a x}}-\frac{8 i \sqrt [4]{a+i a x}}{45 a^3 (a-i a x)^{5/4}}-\frac{2 i \sqrt [4]{a+i a x}}{9 a^2 (a-i a x)^{9/4}} \]
Antiderivative was successfully verified.
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Rule 45
Rule 37
Rubi steps
\begin{align*} \int \frac{1}{(a-i a x)^{13/4} (a+i a x)^{3/4}} \, dx &=-\frac{2 i \sqrt [4]{a+i a x}}{9 a^2 (a-i a x)^{9/4}}+\frac{4 \int \frac{1}{(a-i a x)^{9/4} (a+i a x)^{3/4}} \, dx}{9 a}\\ &=-\frac{2 i \sqrt [4]{a+i a x}}{9 a^2 (a-i a x)^{9/4}}-\frac{8 i \sqrt [4]{a+i a x}}{45 a^3 (a-i a x)^{5/4}}+\frac{8 \int \frac{1}{(a-i a x)^{5/4} (a+i a x)^{3/4}} \, dx}{45 a^2}\\ &=-\frac{2 i \sqrt [4]{a+i a x}}{9 a^2 (a-i a x)^{9/4}}-\frac{8 i \sqrt [4]{a+i a x}}{45 a^3 (a-i a x)^{5/4}}-\frac{16 i \sqrt [4]{a+i a x}}{45 a^4 \sqrt [4]{a-i a x}}\\ \end{align*}
Mathematica [A] time = 0.0235545, size = 52, normalized size = 0.52 \[ \frac{2 \left (-8 i x^2+20 x+17 i\right ) \sqrt [4]{a+i a x}}{45 a^4 (x+i)^2 \sqrt [4]{a-i a x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.038, size = 50, normalized size = 0.5 \begin{align*}{\frac{24\,i{x}^{2}+16\,{x}^{3}+6\,x+34\,i}{45\,{a}^{3} \left ( x+i \right ) ^{2}} \left ( a \left ( 1+ix \right ) \right ) ^{-{\frac{3}{4}}}{\frac{1}{\sqrt [4]{-a \left ( -1+ix \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (i \, a x + a\right )}^{\frac{3}{4}}{\left (-i \, a x + a\right )}^{\frac{13}{4}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.45051, size = 154, normalized size = 1.54 \begin{align*} \frac{2 \,{\left (i \, a x + a\right )}^{\frac{1}{4}}{\left (-i \, a x + a\right )}^{\frac{3}{4}}{\left (8 \, x^{2} + 20 i \, x - 17\right )}}{45 \, a^{5} x^{3} + 135 i \, a^{5} x^{2} - 135 \, a^{5} x - 45 i \, a^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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