Integrand size = 22, antiderivative size = 113 \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=\frac {(b c-3 a d) \sqrt {a+b x}}{a c^2 \sqrt {c+d x}}-\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}}-\frac {(b c-3 a d) \text {arctanh}\left (\frac {\sqrt {c} \sqrt {a+b x}}{\sqrt {a} \sqrt {c+d x}}\right )}{\sqrt {a} c^{5/2}} \]
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Time = 0.03 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {98, 96, 95, 214} \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=-\frac {(b c-3 a d) \text {arctanh}\left (\frac {\sqrt {c} \sqrt {a+b x}}{\sqrt {a} \sqrt {c+d x}}\right )}{\sqrt {a} c^{5/2}}+\frac {\sqrt {a+b x} (b c-3 a d)}{a c^2 \sqrt {c+d x}}-\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}} \]
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Rule 95
Rule 96
Rule 98
Rule 214
Rubi steps \begin{align*} \text {integral}& = -\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}}-\frac {\left (-\frac {b c}{2}+\frac {3 a d}{2}\right ) \int \frac {\sqrt {a+b x}}{x (c+d x)^{3/2}} \, dx}{a c} \\ & = \frac {(b c-3 a d) \sqrt {a+b x}}{a c^2 \sqrt {c+d x}}-\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}}+\frac {(b c-3 a d) \int \frac {1}{x \sqrt {a+b x} \sqrt {c+d x}} \, dx}{2 c^2} \\ & = \frac {(b c-3 a d) \sqrt {a+b x}}{a c^2 \sqrt {c+d x}}-\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}}+\frac {(b c-3 a d) \text {Subst}\left (\int \frac {1}{-a+c x^2} \, dx,x,\frac {\sqrt {a+b x}}{\sqrt {c+d x}}\right )}{c^2} \\ & = \frac {(b c-3 a d) \sqrt {a+b x}}{a c^2 \sqrt {c+d x}}-\frac {(a+b x)^{3/2}}{a c x \sqrt {c+d x}}-\frac {(b c-3 a d) \tanh ^{-1}\left (\frac {\sqrt {c} \sqrt {a+b x}}{\sqrt {a} \sqrt {c+d x}}\right )}{\sqrt {a} c^{5/2}} \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.73 \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=-\frac {\sqrt {a+b x} (c+3 d x)}{c^2 x \sqrt {c+d x}}+\frac {(-b c+3 a d) \text {arctanh}\left (\frac {\sqrt {c} \sqrt {a+b x}}{\sqrt {a} \sqrt {c+d x}}\right )}{\sqrt {a} c^{5/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(266\) vs. \(2(93)=186\).
Time = 1.24 (sec) , antiderivative size = 267, normalized size of antiderivative = 2.36
method | result | size |
default | \(\frac {\sqrt {b x +a}\, \left (3 \ln \left (\frac {a d x +b c x +2 \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+2 a c}{x}\right ) a \,d^{2} x^{2}-\ln \left (\frac {a d x +b c x +2 \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+2 a c}{x}\right ) b c d \,x^{2}+3 \ln \left (\frac {a d x +b c x +2 \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+2 a c}{x}\right ) a c d x -\ln \left (\frac {a d x +b c x +2 \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+2 a c}{x}\right ) b \,c^{2} x -6 d x \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}-2 c \sqrt {a c}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\right )}{2 c^{2} \sqrt {a c}\, x \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {d x +c}}\) | \(267\) |
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none
Time = 0.35 (sec) , antiderivative size = 330, normalized size of antiderivative = 2.92 \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=\left [-\frac {{\left ({\left (b c d - 3 \, a d^{2}\right )} x^{2} + {\left (b c^{2} - 3 \, a c d\right )} x\right )} \sqrt {a c} \log \left (\frac {8 \, a^{2} c^{2} + {\left (b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2}\right )} x^{2} + 4 \, {\left (2 \, a c + {\left (b c + a d\right )} x\right )} \sqrt {a c} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (a b c^{2} + a^{2} c d\right )} x}{x^{2}}\right ) + 4 \, {\left (3 \, a c d x + a c^{2}\right )} \sqrt {b x + a} \sqrt {d x + c}}{4 \, {\left (a c^{3} d x^{2} + a c^{4} x\right )}}, \frac {{\left ({\left (b c d - 3 \, a d^{2}\right )} x^{2} + {\left (b c^{2} - 3 \, a c d\right )} x\right )} \sqrt {-a c} \arctan \left (\frac {{\left (2 \, a c + {\left (b c + a d\right )} x\right )} \sqrt {-a c} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (a b c d x^{2} + a^{2} c^{2} + {\left (a b c^{2} + a^{2} c d\right )} x\right )}}\right ) - 2 \, {\left (3 \, a c d x + a c^{2}\right )} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (a c^{3} d x^{2} + a c^{4} x\right )}}\right ] \]
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\[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=\int \frac {\sqrt {a + b x}}{x^{2} \left (c + d x\right )^{\frac {3}{2}}}\, dx \]
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Exception generated. \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=\text {Exception raised: ValueError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 457 vs. \(2 (93) = 186\).
Time = 0.96 (sec) , antiderivative size = 457, normalized size of antiderivative = 4.04 \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=-\frac {2 \, \sqrt {b x + a} b^{2} d}{\sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} c^{2} {\left | b \right |}} - \frac {{\left (\sqrt {b d} b^{3} c - 3 \, \sqrt {b d} a b^{2} d\right )} \arctan \left (-\frac {b^{2} c + a b d - {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2}}{2 \, \sqrt {-a b c d} b}\right )}{\sqrt {-a b c d} b c^{2} {\left | b \right |}} - \frac {2 \, {\left (\sqrt {b d} b^{5} c^{2} - 2 \, \sqrt {b d} a b^{4} c d + \sqrt {b d} a^{2} b^{3} d^{2} - \sqrt {b d} {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2} b^{3} c - \sqrt {b d} {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2} a b^{2} d\right )}}{{\left (b^{4} c^{2} - 2 \, a b^{3} c d + a^{2} b^{2} d^{2} - 2 \, {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2} b^{2} c - 2 \, {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{2} a b d + {\left (\sqrt {b d} \sqrt {b x + a} - \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d}\right )}^{4}\right )} c^{2} {\left | b \right |}} \]
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Timed out. \[ \int \frac {\sqrt {a+b x}}{x^2 (c+d x)^{3/2}} \, dx=\int \frac {\sqrt {a+b\,x}}{x^2\,{\left (c+d\,x\right )}^{3/2}} \,d x \]
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