Integrand size = 20, antiderivative size = 221 \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\frac {(b c-a d)^2 (5 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{64 b^2 d^3}-\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {(b c-a d)^3 (5 b c+3 a d) \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{64 b^{5/2} d^{7/2}} \]
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Time = 0.09 (sec) , antiderivative size = 221, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {81, 52, 65, 223, 212} \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=-\frac {(3 a d+5 b c) (b c-a d)^3 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{64 b^{5/2} d^{7/2}}+\frac {\sqrt {a+b x} \sqrt {c+d x} (3 a d+5 b c) (b c-a d)^2}{64 b^2 d^3}-\frac {(a+b x)^{3/2} \sqrt {c+d x} (3 a d+5 b c) (b c-a d)}{96 b^2 d^2}-\frac {(a+b x)^{5/2} \sqrt {c+d x} (3 a d+5 b c)}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d} \]
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Rule 52
Rule 65
Rule 81
Rule 212
Rule 223
Rubi steps \begin{align*} \text {integral}& = \frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}+\frac {\left (-\frac {5 b c}{2}-\frac {3 a d}{2}\right ) \int (a+b x)^{3/2} \sqrt {c+d x} \, dx}{4 b d} \\ & = -\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {((b c-a d) (5 b c+3 a d)) \int \frac {(a+b x)^{3/2}}{\sqrt {c+d x}} \, dx}{48 b^2 d} \\ & = -\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}+\frac {\left ((b c-a d)^2 (5 b c+3 a d)\right ) \int \frac {\sqrt {a+b x}}{\sqrt {c+d x}} \, dx}{64 b^2 d^2} \\ & = \frac {(b c-a d)^2 (5 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{64 b^2 d^3}-\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {\left ((b c-a d)^3 (5 b c+3 a d)\right ) \int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{128 b^2 d^3} \\ & = \frac {(b c-a d)^2 (5 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{64 b^2 d^3}-\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {\left ((b c-a d)^3 (5 b c+3 a d)\right ) \text {Subst}\left (\int \frac {1}{\sqrt {c-\frac {a d}{b}+\frac {d x^2}{b}}} \, dx,x,\sqrt {a+b x}\right )}{64 b^3 d^3} \\ & = \frac {(b c-a d)^2 (5 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{64 b^2 d^3}-\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {\left ((b c-a d)^3 (5 b c+3 a d)\right ) \text {Subst}\left (\int \frac {1}{1-\frac {d x^2}{b}} \, dx,x,\frac {\sqrt {a+b x}}{\sqrt {c+d x}}\right )}{64 b^3 d^3} \\ & = \frac {(b c-a d)^2 (5 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{64 b^2 d^3}-\frac {(b c-a d) (5 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{96 b^2 d^2}-\frac {(5 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{24 b^2 d}+\frac {(a+b x)^{5/2} (c+d x)^{3/2}}{4 b d}-\frac {(b c-a d)^3 (5 b c+3 a d) \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{64 b^{5/2} d^{7/2}} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 177, normalized size of antiderivative = 0.80 \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\frac {\sqrt {a+b x} \sqrt {c+d x} \left (-9 a^3 d^3+3 a^2 b d^2 (3 c+2 d x)+a b^2 d \left (-31 c^2+20 c d x+72 d^2 x^2\right )+b^3 \left (15 c^3-10 c^2 d x+8 c d^2 x^2+48 d^3 x^3\right )\right )}{192 b^2 d^3}-\frac {(b c-a d)^3 (5 b c+3 a d) \text {arctanh}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d} \sqrt {a+b x}}\right )}{64 b^{5/2} d^{7/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(573\) vs. \(2(183)=366\).
Time = 0.54 (sec) , antiderivative size = 574, normalized size of antiderivative = 2.60
method | result | size |
default | \(\frac {\sqrt {b x +a}\, \sqrt {d x +c}\, \left (96 b^{3} d^{3} x^{3} \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+144 a \,b^{2} d^{3} x^{2} \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+16 b^{3} c \,d^{2} x^{2} \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}+9 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{4} d^{4}-12 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} b c \,d^{3}-18 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b^{2} c^{2} d^{2}+36 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{3} c^{3} d -15 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{4} c^{4}+12 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} b \,d^{3} x +40 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a \,b^{2} c \,d^{2} x -20 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, b^{3} c^{2} d x -18 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{3} d^{3}+18 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} b c \,d^{2}-62 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a \,b^{2} c^{2} d +30 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, b^{3} c^{3}\right )}{384 b^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, d^{3} \sqrt {b d}}\) | \(574\) |
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Time = 0.25 (sec) , antiderivative size = 544, normalized size of antiderivative = 2.46 \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\left [-\frac {3 \, {\left (5 \, b^{4} c^{4} - 12 \, a b^{3} c^{3} d + 6 \, a^{2} b^{2} c^{2} d^{2} + 4 \, a^{3} b c d^{3} - 3 \, a^{4} d^{4}\right )} \sqrt {b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} + 4 \, {\left (2 \, b d x + b c + a d\right )} \sqrt {b d} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x\right ) - 4 \, {\left (48 \, b^{4} d^{4} x^{3} + 15 \, b^{4} c^{3} d - 31 \, a b^{3} c^{2} d^{2} + 9 \, a^{2} b^{2} c d^{3} - 9 \, a^{3} b d^{4} + 8 \, {\left (b^{4} c d^{3} + 9 \, a b^{3} d^{4}\right )} x^{2} - 2 \, {\left (5 \, b^{4} c^{2} d^{2} - 10 \, a b^{3} c d^{3} - 3 \, a^{2} b^{2} d^{4}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{768 \, b^{3} d^{4}}, \frac {3 \, {\left (5 \, b^{4} c^{4} - 12 \, a b^{3} c^{3} d + 6 \, a^{2} b^{2} c^{2} d^{2} + 4 \, a^{3} b c d^{3} - 3 \, a^{4} d^{4}\right )} \sqrt {-b d} \arctan \left (\frac {{\left (2 \, b d x + b c + a d\right )} \sqrt {-b d} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (b^{2} d^{2} x^{2} + a b c d + {\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right ) + 2 \, {\left (48 \, b^{4} d^{4} x^{3} + 15 \, b^{4} c^{3} d - 31 \, a b^{3} c^{2} d^{2} + 9 \, a^{2} b^{2} c d^{3} - 9 \, a^{3} b d^{4} + 8 \, {\left (b^{4} c d^{3} + 9 \, a b^{3} d^{4}\right )} x^{2} - 2 \, {\left (5 \, b^{4} c^{2} d^{2} - 10 \, a b^{3} c d^{3} - 3 \, a^{2} b^{2} d^{4}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{384 \, b^{3} d^{4}}\right ] \]
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\[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\int x \left (a + b x\right )^{\frac {3}{2}} \sqrt {c + d x}\, dx \]
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Exception generated. \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\text {Exception raised: ValueError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 632 vs. \(2 (183) = 366\).
Time = 0.40 (sec) , antiderivative size = 632, normalized size of antiderivative = 2.86 \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\frac {{\left (\sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} {\left (2 \, {\left (b x + a\right )} {\left (4 \, {\left (b x + a\right )} {\left (\frac {6 \, {\left (b x + a\right )}}{b^{3}} + \frac {b^{12} c d^{5} - 25 \, a b^{11} d^{6}}{b^{14} d^{6}}\right )} - \frac {5 \, b^{13} c^{2} d^{4} + 14 \, a b^{12} c d^{5} - 163 \, a^{2} b^{11} d^{6}}{b^{14} d^{6}}\right )} + \frac {3 \, {\left (5 \, b^{14} c^{3} d^{3} + 9 \, a b^{13} c^{2} d^{4} + 15 \, a^{2} b^{12} c d^{5} - 93 \, a^{3} b^{11} d^{6}\right )}}{b^{14} d^{6}}\right )} \sqrt {b x + a} + \frac {3 \, {\left (5 \, b^{4} c^{4} + 4 \, a b^{3} c^{3} d + 6 \, a^{2} b^{2} c^{2} d^{2} + 20 \, a^{3} b c d^{3} - 35 \, a^{4} d^{4}\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} b^{2} d^{3}}\right )} {\left | b \right |} + \frac {16 \, {\left (\sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} \sqrt {b x + a} {\left (2 \, {\left (b x + a\right )} {\left (\frac {4 \, {\left (b x + a\right )}}{b^{2}} + \frac {b^{6} c d^{3} - 13 \, a b^{5} d^{4}}{b^{7} d^{4}}\right )} - \frac {3 \, {\left (b^{7} c^{2} d^{2} + 2 \, a b^{6} c d^{3} - 11 \, a^{2} b^{5} d^{4}\right )}}{b^{7} d^{4}}\right )} - \frac {3 \, {\left (b^{3} c^{3} + a b^{2} c^{2} d + 3 \, a^{2} b c d^{2} - 5 \, a^{3} d^{3}\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} b d^{2}}\right )} a {\left | b \right |}}{b} + \frac {48 \, {\left (\sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} {\left (2 \, b x + 2 \, a + \frac {b c d - 5 \, a d^{2}}{d^{2}}\right )} \sqrt {b x + a} + \frac {{\left (b^{3} c^{2} + 2 \, a b^{2} c d - 3 \, a^{2} b d^{2}\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 )} a^{2} {\left | b \right |}}{b^{3}}}{192 \, b} \]
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Timed out. \[ \int x (a+b x)^{3/2} \sqrt {c+d x} \, dx=\int x\,{\left (a+b\,x\right )}^{3/2}\,\sqrt {c+d\,x} \,d x \]
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