Integrand size = 50, antiderivative size = 53 \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\frac {x \left (a+b x^3\right )^{-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{\frac {a d}{3 b c-3 a d}}}{a c} \]
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Time = 0.01 (sec) , antiderivative size = 53, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.020, Rules used = {389} \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\frac {x \left (a+b x^3\right )^{-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{\frac {a d}{3 b c-3 a d}}}{a c} \]
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Rule 389
Rubi steps \begin{align*} \text {integral}& = \frac {x \left (a+b x^3\right )^{-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{\frac {a d}{3 b c-3 a d}}}{a c} \\ \end{align*}
Time = 0.56 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.98 \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\frac {x \left (a+b x^3\right )^{\frac {b c}{-3 b c+3 a d}} \left (c+d x^3\right )^{\frac {a d}{3 b c-3 a d}}}{a c} \]
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Time = 7.14 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.34
method | result | size |
gosper | \(\frac {x \left (b \,x^{3}+a \right )^{1-\frac {3 a d -4 b c}{3 \left (a d -b c \right )}} \left (d \,x^{3}+c \right )^{1-\frac {4 a d -3 b c}{3 \left (a d -b c \right )}}}{a c}\) | \(71\) |
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none
Time = 0.30 (sec) , antiderivative size = 91, normalized size of antiderivative = 1.72 \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\frac {b d x^{7} + {\left (b c + a d\right )} x^{4} + a c x}{{\left (b x^{3} + a\right )}^{\frac {4 \, b c - 3 \, a d}{3 \, {\left (b c - a d\right )}}} {\left (d x^{3} + c\right )}^{\frac {3 \, b c - 4 \, a d}{3 \, {\left (b c - a d\right )}}} a c} \]
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Timed out. \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\text {Timed out} \]
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\[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\int { {\left (b x^{3} + a\right )}^{-\frac {b c}{3 \, {\left (b c - a d\right )}} - 1} {\left (d x^{3} + c\right )}^{\frac {a d}{3 \, {\left (b c - a d\right )}} - 1} \,d x } \]
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\[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\int { {\left (b x^{3} + a\right )}^{-\frac {b c}{3 \, {\left (b c - a d\right )}} - 1} {\left (d x^{3} + c\right )}^{\frac {a d}{3 \, {\left (b c - a d\right )}} - 1} \,d x } \]
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Time = 5.92 (sec) , antiderivative size = 131, normalized size of antiderivative = 2.47 \[ \int \left (a+b x^3\right )^{-1-\frac {b c}{3 b c-3 a d}} \left (c+d x^3\right )^{-1+\frac {a d}{3 b c-3 a d}} \, dx=\frac {x\,{\left (b\,x^3+a\right )}^{\frac {b\,c}{3\,a\,d-3\,b\,c}-1}+\frac {x^4\,{\left (b\,x^3+a\right )}^{\frac {b\,c}{3\,a\,d-3\,b\,c}-1}\,\left (a\,d+b\,c\right )}{a\,c}+\frac {b\,d\,x^7\,{\left (b\,x^3+a\right )}^{\frac {b\,c}{3\,a\,d-3\,b\,c}-1}}{a\,c}}{{\left (d\,x^3+c\right )}^{\frac {a\,d}{3\,a\,d-3\,b\,c}+1}} \]
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