Integrand size = 20, antiderivative size = 77 \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=-\frac {2 c \sqrt {a+b x}}{d (b c-a d) \sqrt {c+d x}}+\frac {2 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{\sqrt {b} d^{3/2}} \]
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Time = 0.03 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {79, 65, 223, 212} \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=\frac {2 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{\sqrt {b} d^{3/2}}-\frac {2 c \sqrt {a+b x}}{d \sqrt {c+d x} (b c-a d)} \]
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Rule 65
Rule 79
Rule 212
Rule 223
Rubi steps \begin{align*} \text {integral}& = -\frac {2 c \sqrt {a+b x}}{d (b c-a d) \sqrt {c+d x}}+\frac {\int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{d} \\ & = -\frac {2 c \sqrt {a+b x}}{d (b c-a d) \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 d} \\ & = -\frac {2 c \sqrt {a+b x}}{d (b c-a d) \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 d} \\ & = -\frac {2 c \sqrt {a+b x}}{d (b c-a d) \sqrt {c+d x}}+\frac {2 \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{\sqrt {b} d^{3/2}} \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 77, normalized size of antiderivative = 1.00 \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=-\frac {2 c \sqrt {a+b x}}{d (b c-a d) \sqrt {c+d x}}+\frac {2 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{\sqrt {b} d^{3/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(250\) vs. \(2(61)=122\).
Time = 1.67 (sec) , antiderivative size = 251, normalized size of antiderivative = 3.26
method | result | size |
default | \(\frac {\sqrt {b x +a}\, \left (\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,d^{2} x -\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b c d x +\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a c d -\ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b \,c^{2}+2 c \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\right )}{\sqrt {b d}\, \left (a d -b c \right ) \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, d \sqrt {d x +c}}\) | \(251\) |
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Leaf count of result is larger than twice the leaf count of optimal. 160 vs. \(2 (61) = 122\).
Time = 0.26 (sec) , antiderivative size = 335, normalized size of antiderivative = 4.35 \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=\left [-\frac {4 \, \sqrt {b x + a} \sqrt {d x + c} b c d - {\left (b c^{2} - a c d + {\left (b c d - a d^{2}\right )} x\right )} \sqrt {b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} + 4 \, {\left (2 \, b d x + b c + a d\right )} \sqrt {b d} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x\right )}{2 \, {\left (b^{2} c^{2} d^{2} - a b c d^{3} + {\left (b^{2} c d^{3} - a b d^{4}\right )} x\right )}}, -\frac {2 \, \sqrt {b x + a} \sqrt {d x + c} b c d + {\left (b c^{2} - a c d + {\left (b c d - a d^{2}\right )} x\right )} \sqrt {-b d} \arctan \left (\frac {{\left (2 \, b d x + b c + a d\right )} \sqrt {-b d} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (b^{2} d^{2} x^{2} + a b c d + {\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right )}{b^{2} c^{2} d^{2} - a b c d^{3} + {\left (b^{2} c d^{3} - a b d^{4}\right )} x}\right ] \]
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\[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=\int \frac {x}{\sqrt {a + b x} \left (c + d x\right )^{\frac {3}{2}}}\, dx \]
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Exception generated. \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=\text {Exception raised: ValueError} \]
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none
Time = 0.31 (sec) , antiderivative size = 108, normalized size of antiderivative = 1.40 \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=-\frac {2 \, {\left (\frac {\sqrt {b x + a} b^{3} c {\left | b \right |}}{{\left (b^{3} c d - a b^{2} d^{2}\right )} \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}} + \frac {{\left | b \right |} \log \left ({\left | -\sqrt {b d} \sqrt {b x + a} + \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} \right |}\right )}{\sqrt {b d} d}\right )}}{b} \]
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Timed out. \[ \int \frac {x}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx=\int \frac {x}{\sqrt {a+b\,x}\,{\left (c+d\,x\right )}^{3/2}} \,d x \]
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