Integrand size = 20, antiderivative size = 268 \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=-\frac {(b c-a d)^3 (7 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{128 b^2 d^4}+\frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {(b c-a d)^4 (7 b c+3 a d) \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{128 b^{5/2} d^{9/2}} \]
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Time = 0.11 (sec) , antiderivative size = 268, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {81, 52, 65, 223, 212} \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\frac {(3 a d+7 b c) (b c-a d)^4 \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{128 b^{5/2} d^{9/2}}-\frac {\sqrt {a+b x} \sqrt {c+d x} (3 a d+7 b c) (b c-a d)^3}{128 b^2 d^4}+\frac {(a+b x)^{3/2} \sqrt {c+d x} (3 a d+7 b c) (b c-a d)^2}{192 b^2 d^3}-\frac {(a+b x)^{5/2} \sqrt {c+d x} (3 a d+7 b c) (b c-a d)}{240 b^2 d^2}-\frac {(a+b x)^{7/2} \sqrt {c+d x} (3 a d+7 b c)}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d} \]
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Rule 52
Rule 65
Rule 81
Rule 212
Rule 223
Rubi steps \begin{align*} \text {integral}& = \frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}-\frac {(7 b c+3 a d) \int (a+b x)^{5/2} \sqrt {c+d x} \, dx}{10 b d} \\ & = -\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}-\frac {((b c-a d) (7 b c+3 a d)) \int \frac {(a+b x)^{5/2}}{\sqrt {c+d x}} \, dx}{80 b^2 d} \\ & = -\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {\left ((b c-a d)^2 (7 b c+3 a d)\right ) \int \frac {(a+b x)^{3/2}}{\sqrt {c+d x}} \, dx}{96 b^2 d^2} \\ & = \frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}-\frac {\left ((b c-a d)^3 (7 b c+3 a d)\right ) \int \frac {\sqrt {a+b x}}{\sqrt {c+d x}} \, dx}{128 b^2 d^3} \\ & = -\frac {(b c-a d)^3 (7 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{128 b^2 d^4}+\frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {\left ((b c-a d)^4 (7 b c+3 a d)\right ) \int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{256 b^2 d^4} \\ & = -\frac {(b c-a d)^3 (7 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{128 b^2 d^4}+\frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {\left ((b c-a d)^4 (7 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 )}{128 b^3 d^4} \\ & = -\frac {(b c-a d)^3 (7 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{128 b^2 d^4}+\frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {\left ((b c-a d)^4 (7 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 )}{128 b^3 d^4} \\ & = -\frac {(b c-a d)^3 (7 b c+3 a d) \sqrt {a+b x} \sqrt {c+d x}}{128 b^2 d^4}+\frac {(b c-a d)^2 (7 b c+3 a d) (a+b x)^{3/2} \sqrt {c+d x}}{192 b^2 d^3}-\frac {(b c-a d) (7 b c+3 a d) (a+b x)^{5/2} \sqrt {c+d x}}{240 b^2 d^2}-\frac {(7 b c+3 a d) (a+b x)^{7/2} \sqrt {c+d x}}{40 b^2 d}+\frac {(a+b x)^{7/2} (c+d x)^{3/2}}{5 b d}+\frac {(b c-a d)^4 (7 b c+3 a d) \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{128 b^{5/2} d^{9/2}} \\ \end{align*}
Time = 0.53 (sec) , antiderivative size = 229, normalized size of antiderivative = 0.85 \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\frac {\sqrt {a+b x} \sqrt {c+d x} \left (-45 a^4 d^4+30 a^3 b d^3 (2 c+d x)+2 a^2 b^2 d^2 \left (-173 c^2+109 c d x+372 d^2 x^2\right )+2 a b^3 d \left (170 c^3-111 c^2 d x+88 c d^2 x^2+504 d^3 x^3\right )+b^4 \left (-105 c^4+70 c^3 d x-56 c^2 d^2 x^2+48 c d^3 x^3+384 d^4 x^4\right )\right )}{1920 b^2 d^4}+\frac {(b c-a d)^4 (7 b c+3 a d) \text {arctanh}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {d} \sqrt {a+b x}}\right )}{128 b^{5/2} d^{9/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(787\) vs. \(2(224)=448\).
Time = 1.58 (sec) , antiderivative size = 788, normalized size of antiderivative = 2.94
method | result | size |
default | \(\frac {\sqrt {b x +a}\, \sqrt {d x +c}\, \left (768 b^{4} d^{4} x^{4} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+2016 a \,b^{3} d^{4} x^{3} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+96 b^{4} c \,d^{3} x^{3} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+1488 a^{2} b^{2} d^{4} x^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+352 a \,b^{3} c \,d^{3} x^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}-112 b^{4} c^{2} d^{2} x^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+45 \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^{5} d^{5}-75 \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} b c \,d^{4}-150 \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^{2} c^{2} d^{3}+450 \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^{3} c^{3} d^{2}-375 \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^{4} c^{4} d +105 \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^{5} c^{5}+60 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{3} b \,d^{4} x +436 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} b^{2} c \,d^{3} x -444 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a \,b^{3} c^{2} d^{2} x +140 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, b^{4} c^{3} d x -90 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{4} d^{4}+120 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{3} b c \,d^{3}-692 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} b^{2} c^{2} d^{2}+680 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a \,b^{3} c^{3} d -210 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, b^{4} c^{4}\right )}{3840 b^{2} \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, d^{4} \sqrt {b d}}\) | \(788\) |
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Time = 0.27 (sec) , antiderivative size = 704, normalized size of antiderivative = 2.63 \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\left [\frac {15 \, {\left (7 \, b^{5} c^{5} - 25 \, a b^{4} c^{4} d + 30 \, a^{2} b^{3} c^{3} d^{2} - 10 \, a^{3} b^{2} c^{2} d^{3} - 5 \, a^{4} b c d^{4} + 3 \, a^{5} d^{5}\right )} \sqrt {b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} + 4 \, {\left (2 \, b d x + b c + a d\right )} \sqrt {b d} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x\right ) + 4 \, {\left (384 \, b^{5} d^{5} x^{4} - 105 \, b^{5} c^{4} d + 340 \, a b^{4} c^{3} d^{2} - 346 \, a^{2} b^{3} c^{2} d^{3} + 60 \, a^{3} b^{2} c d^{4} - 45 \, a^{4} b d^{5} + 48 \, {\left (b^{5} c d^{4} + 21 \, a b^{4} d^{5}\right )} x^{3} - 8 \, {\left (7 \, b^{5} c^{2} d^{3} - 22 \, a b^{4} c d^{4} - 93 \, a^{2} b^{3} d^{5}\right )} x^{2} + 2 \, {\left (35 \, b^{5} c^{3} d^{2} - 111 \, a b^{4} c^{2} d^{3} + 109 \, a^{2} b^{3} c d^{4} + 15 \, a^{3} b^{2} d^{5}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{7680 \, b^{3} d^{5}}, -\frac {15 \, {\left (7 \, b^{5} c^{5} - 25 \, a b^{4} c^{4} d + 30 \, a^{2} b^{3} c^{3} d^{2} - 10 \, a^{3} b^{2} c^{2} d^{3} - 5 \, a^{4} b c d^{4} + 3 \, a^{5} d^{5}\right )} \sqrt {-b d} \arctan \left (\frac {{\left (2 \, b d x + b c + a d\right )} \sqrt {-b d} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (b^{2} d^{2} x^{2} + a b c d + {\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right ) - 2 \, {\left (384 \, b^{5} d^{5} x^{4} - 105 \, b^{5} c^{4} d + 340 \, a b^{4} c^{3} d^{2} - 346 \, a^{2} b^{3} c^{2} d^{3} + 60 \, a^{3} b^{2} c d^{4} - 45 \, a^{4} b d^{5} + 48 \, {\left (b^{5} c d^{4} + 21 \, a b^{4} d^{5}\right )} x^{3} - 8 \, {\left (7 \, b^{5} c^{2} d^{3} - 22 \, a b^{4} c d^{4} - 93 \, a^{2} b^{3} d^{5}\right )} x^{2} + 2 \, {\left (35 \, b^{5} c^{3} d^{2} - 111 \, a b^{4} c^{2} d^{3} + 109 \, a^{2} b^{3} c d^{4} + 15 \, a^{3} b^{2} d^{5}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{3840 \, b^{3} d^{5}}\right ] \]
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\[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\int x \left (a + b x\right )^{\frac {5}{2}} \sqrt {c + d x}\, dx \]
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Exception generated. \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\text {Exception raised: ValueError} \]
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Leaf count of result is larger than twice the leaf count of optimal. 1011 vs. \(2 (224) = 448\).
Time = 0.42 (sec) , antiderivative size = 1011, normalized size of antiderivative = 3.77 \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\text {Too large to display} \]
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Timed out. \[ \int x (a+b x)^{5/2} \sqrt {c+d x} \, dx=\int x\,{\left (a+b\,x\right )}^{5/2}\,\sqrt {c+d\,x} \,d x \]
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