Integrand size = 18, antiderivative size = 178 \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\frac {(2 b c-7 a d) (b c-a d) \sqrt {c+d x}}{b^4}+\frac {(2 b c-7 a d) (c+d x)^{3/2}}{3 b^3}+\frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}-\frac {(2 b c-7 a d) (b c-a d)^{3/2} \text {arctanh}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{b^{9/2}} \]
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Time = 0.07 (sec) , antiderivative size = 178, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {79, 52, 65, 214} \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=-\frac {(2 b c-7 a d) (b c-a d)^{3/2} \text {arctanh}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{b^{9/2}}+\frac {\sqrt {c+d x} (2 b c-7 a d) (b c-a d)}{b^4}+\frac {(c+d x)^{3/2} (2 b c-7 a d)}{3 b^3}+\frac {(c+d x)^{5/2} (2 b c-7 a d)}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (a+b x) (b c-a d)} \]
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Rule 52
Rule 65
Rule 79
Rule 214
Rubi steps \begin{align*} \text {integral}& = \frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}+\frac {(2 b c-7 a d) \int \frac {(c+d x)^{5/2}}{a+b x} \, dx}{2 b (b c-a d)} \\ & = \frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}+\frac {(2 b c-7 a d) \int \frac {(c+d x)^{3/2}}{a+b x} \, dx}{2 b^2} \\ & = \frac {(2 b c-7 a d) (c+d x)^{3/2}}{3 b^3}+\frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}+\frac {((2 b c-7 a d) (b c-a d)) \int \frac {\sqrt {c+d x}}{a+b x} \, dx}{2 b^3} \\ & = \frac {(2 b c-7 a d) (b c-a d) \sqrt {c+d x}}{b^4}+\frac {(2 b c-7 a d) (c+d x)^{3/2}}{3 b^3}+\frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}+\frac {\left ((2 b c-7 a d) (b c-a d)^2\right ) \int \frac {1}{(a+b x) \sqrt {c+d x}} \, dx}{2 b^4} \\ & = \frac {(2 b c-7 a d) (b c-a d) \sqrt {c+d x}}{b^4}+\frac {(2 b c-7 a d) (c+d x)^{3/2}}{3 b^3}+\frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}+\frac {\left ((2 b c-7 a d) (b c-a d)^2\right ) \text {Subst}\left (\int \frac {1}{a-\frac {b c}{d}+\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{b^4 d} \\ & = \frac {(2 b c-7 a d) (b c-a d) \sqrt {c+d x}}{b^4}+\frac {(2 b c-7 a d) (c+d x)^{3/2}}{3 b^3}+\frac {(2 b c-7 a d) (c+d x)^{5/2}}{5 b^2 (b c-a d)}+\frac {a (c+d x)^{7/2}}{b (b c-a d) (a+b x)}-\frac {(2 b c-7 a d) (b c-a d)^{3/2} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{b^{9/2}} \\ \end{align*}
Time = 0.31 (sec) , antiderivative size = 167, normalized size of antiderivative = 0.94 \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\frac {\sqrt {c+d x} \left (105 a^3 d^2+10 a^2 b d (-17 c+7 d x)+a b^2 \left (61 c^2-118 c d x-14 d^2 x^2\right )+2 b^3 x \left (23 c^2+11 c d x+3 d^2 x^2\right )\right )}{15 b^4 (a+b x)}-\frac {\sqrt {-b c+a d} \left (2 b^2 c^2-9 a b c d+7 a^2 d^2\right ) \arctan \left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {-b c+a d}}\right )}{b^{9/2}} \]
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Time = 0.61 (sec) , antiderivative size = 160, normalized size of antiderivative = 0.90
method | result | size |
pseudoelliptic | \(-\frac {7 \left (\left (a d -b c \right )^{2} \left (a d -\frac {2 b c}{7}\right ) \left (b x +a \right ) \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )-\sqrt {d x +c}\, \sqrt {\left (a d -b c \right ) b}\, \left (\frac {46 x \left (\frac {3}{23} d^{2} x^{2}+\frac {11}{23} c d x +c^{2}\right ) b^{3}}{105}+\frac {61 \left (-\frac {14}{61} d^{2} x^{2}-\frac {118}{61} c d x +c^{2}\right ) a \,b^{2}}{105}-\frac {34 d \,a^{2} \left (-\frac {7 d x}{17}+c \right ) b}{21}+a^{3} d^{2}\right )\right )}{\sqrt {\left (a d -b c \right ) b}\, b^{4} \left (b x +a \right )}\) | \(160\) |
risch | \(\frac {2 \left (3 d^{2} x^{2} b^{2}-10 x a b \,d^{2}+11 x \,b^{2} c d +45 a^{2} d^{2}-70 a b c d +23 b^{2} c^{2}\right ) \sqrt {d x +c}}{15 b^{4}}-\frac {\left (2 a^{2} d^{2}-4 a b c d +2 b^{2} c^{2}\right ) \left (-\frac {a d \sqrt {d x +c}}{2 \left (\left (d x +c \right ) b +a d -b c \right )}+\frac {\left (7 a d -2 b c \right ) \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )}{2 \sqrt {\left (a d -b c \right ) b}}\right )}{b^{4}}\) | \(166\) |
derivativedivides | \(\frac {\frac {2 \left (d x +c \right )^{\frac {5}{2}} b^{2}}{5}-\frac {4 a b d \left (d x +c \right )^{\frac {3}{2}}}{3}+\frac {2 b^{2} c \left (d x +c \right )^{\frac {3}{2}}}{3}+6 \sqrt {d x +c}\, a^{2} d^{2}-8 \sqrt {d x +c}\, a b c d +2 b^{2} c^{2} \sqrt {d x +c}}{b^{4}}-\frac {2 \left (\frac {\left (-\frac {1}{2} a^{3} d^{3}+a^{2} b c \,d^{2}-\frac {1}{2} a \,b^{2} c^{2} d \right ) \sqrt {d x +c}}{\left (d x +c \right ) b +a d -b c}+\frac {\left (7 a^{3} d^{3}-16 a^{2} b c \,d^{2}+11 a \,b^{2} c^{2} d -2 b^{3} c^{3}\right ) \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )}{2 \sqrt {\left (a d -b c \right ) b}}\right )}{b^{4}}\) | \(219\) |
default | \(\frac {\frac {2 \left (d x +c \right )^{\frac {5}{2}} b^{2}}{5}-\frac {4 a b d \left (d x +c \right )^{\frac {3}{2}}}{3}+\frac {2 b^{2} c \left (d x +c \right )^{\frac {3}{2}}}{3}+6 \sqrt {d x +c}\, a^{2} d^{2}-8 \sqrt {d x +c}\, a b c d +2 b^{2} c^{2} \sqrt {d x +c}}{b^{4}}-\frac {2 \left (\frac {\left (-\frac {1}{2} a^{3} d^{3}+a^{2} b c \,d^{2}-\frac {1}{2} a \,b^{2} c^{2} d \right ) \sqrt {d x +c}}{\left (d x +c \right ) b +a d -b c}+\frac {\left (7 a^{3} d^{3}-16 a^{2} b c \,d^{2}+11 a \,b^{2} c^{2} d -2 b^{3} c^{3}\right ) \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )}{2 \sqrt {\left (a d -b c \right ) b}}\right )}{b^{4}}\) | \(219\) |
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Time = 0.25 (sec) , antiderivative size = 450, normalized size of antiderivative = 2.53 \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\left [\frac {15 \, {\left (2 \, a b^{2} c^{2} - 9 \, a^{2} b c d + 7 \, a^{3} d^{2} + {\left (2 \, b^{3} c^{2} - 9 \, a b^{2} c d + 7 \, a^{2} b d^{2}\right )} x\right )} \sqrt {\frac {b c - a d}{b}} \log \left (\frac {b d x + 2 \, b c - a d - 2 \, \sqrt {d x + c} b \sqrt {\frac {b c - a d}{b}}}{b x + a}\right ) + 2 \, {\left (6 \, b^{3} d^{2} x^{3} + 61 \, a b^{2} c^{2} - 170 \, a^{2} b c d + 105 \, a^{3} d^{2} + 2 \, {\left (11 \, b^{3} c d - 7 \, a b^{2} d^{2}\right )} x^{2} + 2 \, {\left (23 \, b^{3} c^{2} - 59 \, a b^{2} c d + 35 \, a^{2} b d^{2}\right )} x\right )} \sqrt {d x + c}}{30 \, {\left (b^{5} x + a b^{4}\right )}}, -\frac {15 \, {\left (2 \, a b^{2} c^{2} - 9 \, a^{2} b c d + 7 \, a^{3} d^{2} + {\left (2 \, b^{3} c^{2} - 9 \, a b^{2} c d + 7 \, a^{2} b d^{2}\right )} x\right )} \sqrt {-\frac {b c - a d}{b}} \arctan \left (-\frac {\sqrt {d x + c} b \sqrt {-\frac {b c - a d}{b}}}{b c - a d}\right ) - {\left (6 \, b^{3} d^{2} x^{3} + 61 \, a b^{2} c^{2} - 170 \, a^{2} b c d + 105 \, a^{3} d^{2} + 2 \, {\left (11 \, b^{3} c d - 7 \, a b^{2} d^{2}\right )} x^{2} + 2 \, {\left (23 \, b^{3} c^{2} - 59 \, a b^{2} c d + 35 \, a^{2} b d^{2}\right )} x\right )} \sqrt {d x + c}}{15 \, {\left (b^{5} x + a b^{4}\right )}}\right ] \]
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\[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\int \frac {x \left (c + d x\right )^{\frac {5}{2}}}{\left (a + b x\right )^{2}}\, dx \]
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Exception generated. \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\text {Exception raised: ValueError} \]
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Time = 0.29 (sec) , antiderivative size = 240, normalized size of antiderivative = 1.35 \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\frac {{\left (2 \, b^{3} c^{3} - 11 \, a b^{2} c^{2} d + 16 \, a^{2} b c d^{2} - 7 \, a^{3} d^{3}\right )} \arctan \left (\frac {\sqrt {d x + c} b}{\sqrt {-b^{2} c + a b d}}\right )}{\sqrt {-b^{2} c + a b d} b^{4}} + \frac {\sqrt {d x + c} a b^{2} c^{2} d - 2 \, \sqrt {d x + c} a^{2} b c d^{2} + \sqrt {d x + c} a^{3} d^{3}}{{\left ({\left (d x + c\right )} b - b c + a d\right )} b^{4}} + \frac {2 \, {\left (3 \, {\left (d x + c\right )}^{\frac {5}{2}} b^{8} + 5 \, {\left (d x + c\right )}^{\frac {3}{2}} b^{8} c + 15 \, \sqrt {d x + c} b^{8} c^{2} - 10 \, {\left (d x + c\right )}^{\frac {3}{2}} a b^{7} d - 60 \, \sqrt {d x + c} a b^{7} c d + 45 \, \sqrt {d x + c} a^{2} b^{6} d^{2}\right )}}{15 \, b^{10}} \]
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Time = 0.46 (sec) , antiderivative size = 264, normalized size of antiderivative = 1.48 \[ \int \frac {x (c+d x)^{5/2}}{(a+b x)^2} \, dx=\frac {2\,{\left (c+d\,x\right )}^{5/2}}{5\,b^2}-\left (\frac {2\,{\left (a\,d-b\,c\right )}^2}{b^4}+\frac {\left (2\,b^2\,c-2\,a\,b\,d\right )\,\left (\frac {2\,c}{b^2}-\frac {2\,\left (2\,b^2\,c-2\,a\,b\,d\right )}{b^4}\right )}{b^2}\right )\,\sqrt {c+d\,x}-\left (\frac {2\,c}{3\,b^2}-\frac {2\,\left (2\,b^2\,c-2\,a\,b\,d\right )}{3\,b^4}\right )\,{\left (c+d\,x\right )}^{3/2}+\frac {\sqrt {c+d\,x}\,\left (a^3\,d^3-2\,a^2\,b\,c\,d^2+a\,b^2\,c^2\,d\right )}{b^5\,\left (c+d\,x\right )-b^5\,c+a\,b^4\,d}-\frac {\mathrm {atan}\left (\frac {\sqrt {b}\,{\left (a\,d-b\,c\right )}^{3/2}\,\left (7\,a\,d-2\,b\,c\right )\,\sqrt {c+d\,x}}{7\,a^3\,d^3-16\,a^2\,b\,c\,d^2+11\,a\,b^2\,c^2\,d-2\,b^3\,c^3}\right )\,{\left (a\,d-b\,c\right )}^{3/2}\,\left (7\,a\,d-2\,b\,c\right )}{b^{9/2}} \]
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