Integrand size = 22, antiderivative size = 130 \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=-\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}-\frac {2 \left (b^2 c^2+a^2 d^2\right ) \sqrt {a+b x}}{b^2 d (b c-a d)^2 \sqrt {c+d x}}+\frac {2 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{b^{3/2} d^{3/2}} \]
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Time = 0.07 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.227, Rules used = {91, 79, 65, 223, 212} \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=-\frac {2 \sqrt {a+b x} \left (a^2 d^2+b^2 c^2\right )}{b^2 d \sqrt {c+d x} (b c-a d)^2}-\frac {2 a^2}{b^2 \sqrt {a+b x} \sqrt {c+d x} (b c-a d)}+\frac {2 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{b^{3/2} d^{3/2}} \]
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Rule 65
Rule 79
Rule 91
Rule 212
Rule 223
Rubi steps \begin{align*} \text {integral}& = -\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}+\frac {2 \int \frac {-\frac {1}{2} a (b c+a d)+\frac {1}{2} b (b c-a d) x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx}{b^2 (b c-a d)} \\ & = -\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}-\frac {2 \left (b^2 c^2+a^2 d^2\right ) \sqrt {a+b x}}{b^2 d (b c-a d)^2 \sqrt {c+d x}}+\frac {\int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{b d} \\ & = -\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}-\frac {2 \left (b^2 c^2+a^2 d^2\right ) \sqrt {a+b x}}{b^2 d (b c-a d)^2 \sqrt {c+d x}}+\frac {2 \text {Subst}\left (\int \frac {1}{\sqrt {c-\frac {a d}{b}+\frac {d x^2}{b}}} \, dx,x,\sqrt {a+b x}\right )}{b^2 d} \\ & = -\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}-\frac {2 \left (b^2 c^2+a^2 d^2\right ) \sqrt {a+b x}}{b^2 d (b c-a d)^2 \sqrt {c+d x}}+\frac {2 \text {Subst}\left (\int \frac {1}{1-\frac {d x^2}{b}} \, dx,x,\frac {\sqrt {a+b x}}{\sqrt {c+d x}}\right )}{b^2 d} \\ & = -\frac {2 a^2}{b^2 (b c-a d) \sqrt {a+b x} \sqrt {c+d x}}-\frac {2 \left (b^2 c^2+a^2 d^2\right ) \sqrt {a+b x}}{b^2 d (b c-a d)^2 \sqrt {c+d x}}+\frac {2 \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{b^{3/2} d^{3/2}} \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 102, normalized size of antiderivative = 0.78 \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=-\frac {2 \sqrt {a+b x} \left (b c^2+\frac {a^2 d (c+d x)}{a+b x}\right )}{b d (b c-a d)^2 \sqrt {c+d x}}+\frac {2 \text {arctanh}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d} \sqrt {a+b x}}\right )}{b^{3/2} d^{3/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(653\) vs. \(2(110)=220\).
Time = 0.60 (sec) , antiderivative size = 654, normalized size of antiderivative = 5.03
method | result | size |
default | \(\frac {\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b \,d^{3} x^{2}-2 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c \,d^{2} x^{2}+\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{3} c^{2} d \,x^{2}+\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} d^{3} x -\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b c \,d^{2} x -\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c^{2} d x +\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{3} c^{3} x +\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} c \,d^{2}-2 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b \,c^{2} d +\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c^{3}-2 a^{2} d^{2} x \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}-2 b^{2} c^{2} x \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}-2 a^{2} c d \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}-2 a b \,c^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}}{\sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \left (a d -b c \right )^{2} \sqrt {b d}\, \sqrt {b x +a}\, \sqrt {d x +c}\, b d}\) | \(654\) |
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Leaf count of result is larger than twice the leaf count of optimal. 348 vs. \(2 (110) = 220\).
Time = 0.30 (sec) , antiderivative size = 710, normalized size of antiderivative = 5.46 \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=\left [\frac {{\left (a b^{2} c^{3} - 2 \, a^{2} b c^{2} d + a^{3} c d^{2} + {\left (b^{3} c^{2} d - 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x^{2} + {\left (b^{3} c^{3} - a b^{2} c^{2} d - a^{2} b c d^{2} + a^{3} d^{3}\right )} x\right )} \sqrt {b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} + 4 \, {\left (2 \, b d x + b c + a d\right )} \sqrt {b d} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x\right ) - 4 \, {\left (a b^{2} c^{2} d + a^{2} b c d^{2} + {\left (b^{3} c^{2} d + a^{2} b d^{3}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (a b^{4} c^{3} d^{2} - 2 \, a^{2} b^{3} c^{2} d^{3} + a^{3} b^{2} c d^{4} + {\left (b^{5} c^{2} d^{3} - 2 \, a b^{4} c d^{4} + a^{2} b^{3} d^{5}\right )} x^{2} + {\left (b^{5} c^{3} d^{2} - a b^{4} c^{2} d^{3} - a^{2} b^{3} c d^{4} + a^{3} b^{2} d^{5}\right )} x\right )}}, -\frac {{\left (a b^{2} c^{3} - 2 \, a^{2} b c^{2} d + a^{3} c d^{2} + {\left (b^{3} c^{2} d - 2 \, a b^{2} c d^{2} + a^{2} b d^{3}\right )} x^{2} + {\left (b^{3} c^{3} - a b^{2} c^{2} d - a^{2} b c d^{2} + a^{3} d^{3}\right )} x\right )} \sqrt {-b d} \arctan \left (\frac {{\left (2 \, b d x + b c + a d\right )} \sqrt {-b d} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (b^{2} d^{2} x^{2} + a b c d + {\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right ) + 2 \, {\left (a b^{2} c^{2} d + a^{2} b c d^{2} + {\left (b^{3} c^{2} d + a^{2} b d^{3}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{a b^{4} c^{3} d^{2} - 2 \, a^{2} b^{3} c^{2} d^{3} + a^{3} b^{2} c d^{4} + {\left (b^{5} c^{2} d^{3} - 2 \, a b^{4} c d^{4} + a^{2} b^{3} d^{5}\right )} x^{2} + {\left (b^{5} c^{3} d^{2} - a b^{4} c^{2} d^{3} - a^{2} b^{3} c d^{4} + a^{3} b^{2} d^{5}\right )} x}\right ] \]
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\[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=\int \frac {x^{2}}{\left (a + b x\right )^{\frac {3}{2}} \left (c + d x\right )^{\frac {3}{2}}}\, dx \]
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Exception generated. \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=\text {Exception raised: ValueError} \]
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Time = 0.36 (sec) , antiderivative size = 209, normalized size of antiderivative = 1.61 \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=-\frac {2 \, \sqrt {b x + a} b^{2} c^{2} {\left | b \right |}}{{\left (b^{4} c^{2} d - 2 \, a b^{3} c d^{2} + a^{2} b^{2} d^{3}\right )} \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}} - \frac {4 \, a^{2} b d}{{\left (\sqrt {b d} b c {\left | b \right |} - \sqrt {b d} a d {\left | b \right |}\right )} {\left (b^{2} c - a b d - {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2}\right )}} - \frac {\log \left ({\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2}\right )}{\sqrt {b d} d {\left | b \right |}} \]
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Timed out. \[ \int \frac {x^2}{(a+b x)^{3/2} (c+d x)^{3/2}} \, dx=\int \frac {x^2}{{\left (a+b\,x\right )}^{3/2}\,{\left (c+d\,x\right )}^{3/2}} \,d x \]
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