Integrand size = 16, antiderivative size = 191 \[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}+\frac {b c^3 d \sqrt {1-c^2 x^2}}{2 \left (c^2 d^2-e^2\right )^2 (d+e x)}-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}+\frac {b c^3 \left (2 c^2 d^2+e^2\right ) \arctan \left (\frac {e+c^2 d x}{\sqrt {c^2 d^2-e^2} \sqrt {1-c^2 x^2}}\right )}{6 e \left (c^2 d^2-e^2\right )^{5/2}} \]
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Time = 0.09 (sec) , antiderivative size = 191, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.312, Rules used = {4827, 759, 821, 739, 210} \[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}+\frac {b c^3 \left (2 c^2 d^2+e^2\right ) \arctan \left (\frac {c^2 d x+e}{\sqrt {1-c^2 x^2} \sqrt {c^2 d^2-e^2}}\right )}{6 e \left (c^2 d^2-e^2\right )^{5/2}}+\frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}+\frac {b c^3 d \sqrt {1-c^2 x^2}}{2 \left (c^2 d^2-e^2\right )^2 (d+e x)} \]
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Rule 210
Rule 739
Rule 759
Rule 821
Rule 4827
Rubi steps \begin{align*} \text {integral}& = -\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}+\frac {(b c) \int \frac {1}{(d+e x)^3 \sqrt {1-c^2 x^2}} \, dx}{3 e} \\ & = \frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}-\frac {\left (b c^3\right ) \int \frac {-2 d+e x}{(d+e x)^2 \sqrt {1-c^2 x^2}} \, dx}{6 e \left (c^2 d^2-e^2\right )} \\ & = \frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}+\frac {b c^3 d \sqrt {1-c^2 x^2}}{2 \left (c^2 d^2-e^2\right )^2 (d+e x)}-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}+\frac {\left (b c^3 \left (2 c^2 d^2+e^2\right )\right ) \int \frac {1}{(d+e x) \sqrt {1-c^2 x^2}} \, dx}{6 e \left (c^2 d^2-e^2\right )^2} \\ & = \frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}+\frac {b c^3 d \sqrt {1-c^2 x^2}}{2 \left (c^2 d^2-e^2\right )^2 (d+e x)}-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}-\frac {\left (b c^3 \left (2 c^2 d^2+e^2\right )\right ) \text {Subst}\left (\int \frac {1}{-c^2 d^2+e^2-x^2} \, dx,x,\frac {e+c^2 d x}{\sqrt {1-c^2 x^2}}\right )}{6 e \left (c^2 d^2-e^2\right )^2} \\ & = \frac {b c \sqrt {1-c^2 x^2}}{6 \left (c^2 d^2-e^2\right ) (d+e x)^2}+\frac {b c^3 d \sqrt {1-c^2 x^2}}{2 \left (c^2 d^2-e^2\right )^2 (d+e x)}-\frac {a+b \arcsin (c x)}{3 e (d+e x)^3}+\frac {b c^3 \left (2 c^2 d^2+e^2\right ) \arctan \left (\frac {e+c^2 d x}{\sqrt {c^2 d^2-e^2} \sqrt {1-c^2 x^2}}\right )}{6 e \left (c^2 d^2-e^2\right )^{5/2}} \\ \end{align*}
Time = 0.36 (sec) , antiderivative size = 241, normalized size of antiderivative = 1.26 \[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\frac {1}{6} \left (-\frac {2 a}{e (d+e x)^3}+\frac {b \sqrt {1-c^2 x^2} \left (-c e^2+c^3 d (4 d+3 e x)\right )}{\left (-c^2 d^2+e^2\right )^2 (d+e x)^2}-\frac {2 b \arcsin (c x)}{e (d+e x)^3}+\frac {b c^3 \left (2 c^2 d^2+e^2\right ) \log (d+e x)}{e (-c d+e)^2 (c d+e)^2 \sqrt {-c^2 d^2+e^2}}-\frac {b c^3 \left (2 c^2 d^2+e^2\right ) \log \left (e+c^2 d x+\sqrt {-c^2 d^2+e^2} \sqrt {1-c^2 x^2}\right )}{e (-c d+e)^2 (c d+e)^2 \sqrt {-c^2 d^2+e^2}}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(553\) vs. \(2(176)=352\).
Time = 0.21 (sec) , antiderivative size = 554, normalized size of antiderivative = 2.90
method | result | size |
parts | \(-\frac {a}{3 \left (e x +d \right )^{3} e}-\frac {b \,c^{3} \arcsin \left (c x \right )}{3 \left (c e x +d c \right )^{3} e}+\frac {b \,c^{3} \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \left (c x +\frac {d c}{e}\right )^{2}}+\frac {b \,c^{4} d \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{2 e \left (c^{2} d^{2}-e^{2}\right )^{2} \left (c x +\frac {d c}{e}\right )}-\frac {b \,c^{5} d^{2} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{2 e^{2} \left (c^{2} d^{2}-e^{2}\right )^{2} \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}+\frac {b \,c^{3} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}\) | \(554\) |
derivativedivides | \(\frac {-\frac {a \,c^{4}}{3 \left (c e x +d c \right )^{3} e}-\frac {b \,c^{4} \arcsin \left (c x \right )}{3 \left (c e x +d c \right )^{3} e}+\frac {b \,c^{4} \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \left (c x +\frac {d c}{e}\right )^{2}}+\frac {b \,c^{5} d \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{2 e \left (c^{2} d^{2}-e^{2}\right )^{2} \left (c x +\frac {d c}{e}\right )}-\frac {b \,c^{6} d^{2} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{2 e^{2} \left (c^{2} d^{2}-e^{2}\right )^{2} \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}+\frac {b \,c^{4} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}}{c}\) | \(564\) |
default | \(\frac {-\frac {a \,c^{4}}{3 \left (c e x +d c \right )^{3} e}-\frac {b \,c^{4} \arcsin \left (c x \right )}{3 \left (c e x +d c \right )^{3} e}+\frac {b \,c^{4} \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \left (c x +\frac {d c}{e}\right )^{2}}+\frac {b \,c^{5} d \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{2 e \left (c^{2} d^{2}-e^{2}\right )^{2} \left (c x +\frac {d c}{e}\right )}-\frac {b \,c^{6} d^{2} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{2 e^{2} \left (c^{2} d^{2}-e^{2}\right )^{2} \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}+\frac {b \,c^{4} \ln \left (\frac {-\frac {2 \left (c^{2} d^{2}-e^{2}\right )}{e^{2}}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}+2 \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}\, \sqrt {-\left (c x +\frac {d c}{e}\right )^{2}+\frac {2 d c \left (c x +\frac {d c}{e}\right )}{e}-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}{c x +\frac {d c}{e}}\right )}{6 e^{2} \left (c^{2} d^{2}-e^{2}\right ) \sqrt {-\frac {c^{2} d^{2}-e^{2}}{e^{2}}}}}{c}\) | \(564\) |
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Leaf count of result is larger than twice the leaf count of optimal. 550 vs. \(2 (173) = 346\).
Time = 0.86 (sec) , antiderivative size = 1125, normalized size of antiderivative = 5.89 \[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\left [-\frac {4 \, a c^{6} d^{6} - 12 \, a c^{4} d^{4} e^{2} + 12 \, a c^{2} d^{2} e^{4} - 4 \, a e^{6} + {\left (2 \, b c^{5} d^{5} + b c^{3} d^{3} e^{2} + {\left (2 \, b c^{5} d^{2} e^{3} + b c^{3} e^{5}\right )} x^{3} + 3 \, {\left (2 \, b c^{5} d^{3} e^{2} + b c^{3} d e^{4}\right )} x^{2} + 3 \, {\left (2 \, b c^{5} d^{4} e + b c^{3} d^{2} e^{3}\right )} x\right )} \sqrt {-c^{2} d^{2} + e^{2}} \log \left (\frac {2 \, c^{2} d e x - c^{2} d^{2} + {\left (2 \, c^{4} d^{2} - c^{2} e^{2}\right )} x^{2} - 2 \, \sqrt {-c^{2} d^{2} + e^{2}} {\left (c^{2} d x + e\right )} \sqrt {-c^{2} x^{2} + 1} + 2 \, e^{2}}{e^{2} x^{2} + 2 \, d e x + d^{2}}\right ) + 4 \, {\left (b c^{6} d^{6} - 3 \, b c^{4} d^{4} e^{2} + 3 \, b c^{2} d^{2} e^{4} - b e^{6}\right )} \arcsin \left (c x\right ) - 2 \, {\left (4 \, b c^{5} d^{5} e - 5 \, b c^{3} d^{3} e^{3} + b c d e^{5} + 3 \, {\left (b c^{5} d^{3} e^{3} - b c^{3} d e^{5}\right )} x^{2} + {\left (7 \, b c^{5} d^{4} e^{2} - 8 \, b c^{3} d^{2} e^{4} + b c e^{6}\right )} x\right )} \sqrt {-c^{2} x^{2} + 1}}{12 \, {\left (c^{6} d^{9} e - 3 \, c^{4} d^{7} e^{3} + 3 \, c^{2} d^{5} e^{5} - d^{3} e^{7} + {\left (c^{6} d^{6} e^{4} - 3 \, c^{4} d^{4} e^{6} + 3 \, c^{2} d^{2} e^{8} - e^{10}\right )} x^{3} + 3 \, {\left (c^{6} d^{7} e^{3} - 3 \, c^{4} d^{5} e^{5} + 3 \, c^{2} d^{3} e^{7} - d e^{9}\right )} x^{2} + 3 \, {\left (c^{6} d^{8} e^{2} - 3 \, c^{4} d^{6} e^{4} + 3 \, c^{2} d^{4} e^{6} - d^{2} e^{8}\right )} x\right )}}, -\frac {2 \, a c^{6} d^{6} - 6 \, a c^{4} d^{4} e^{2} + 6 \, a c^{2} d^{2} e^{4} - 2 \, a e^{6} - {\left (2 \, b c^{5} d^{5} + b c^{3} d^{3} e^{2} + {\left (2 \, b c^{5} d^{2} e^{3} + b c^{3} e^{5}\right )} x^{3} + 3 \, {\left (2 \, b c^{5} d^{3} e^{2} + b c^{3} d e^{4}\right )} x^{2} + 3 \, {\left (2 \, b c^{5} d^{4} e + b c^{3} d^{2} e^{3}\right )} x\right )} \sqrt {c^{2} d^{2} - e^{2}} \arctan \left (\frac {\sqrt {c^{2} d^{2} - e^{2}} {\left (c^{2} d x + e\right )} \sqrt {-c^{2} x^{2} + 1}}{c^{2} d^{2} - {\left (c^{4} d^{2} - c^{2} e^{2}\right )} x^{2} - e^{2}}\right ) + 2 \, {\left (b c^{6} d^{6} - 3 \, b c^{4} d^{4} e^{2} + 3 \, b c^{2} d^{2} e^{4} - b e^{6}\right )} \arcsin \left (c x\right ) - {\left (4 \, b c^{5} d^{5} e - 5 \, b c^{3} d^{3} e^{3} + b c d e^{5} + 3 \, {\left (b c^{5} d^{3} e^{3} - b c^{3} d e^{5}\right )} x^{2} + {\left (7 \, b c^{5} d^{4} e^{2} - 8 \, b c^{3} d^{2} e^{4} + b c e^{6}\right )} x\right )} \sqrt {-c^{2} x^{2} + 1}}{6 \, {\left (c^{6} d^{9} e - 3 \, c^{4} d^{7} e^{3} + 3 \, c^{2} d^{5} e^{5} - d^{3} e^{7} + {\left (c^{6} d^{6} e^{4} - 3 \, c^{4} d^{4} e^{6} + 3 \, c^{2} d^{2} e^{8} - e^{10}\right )} x^{3} + 3 \, {\left (c^{6} d^{7} e^{3} - 3 \, c^{4} d^{5} e^{5} + 3 \, c^{2} d^{3} e^{7} - d e^{9}\right )} x^{2} + 3 \, {\left (c^{6} d^{8} e^{2} - 3 \, c^{4} d^{6} e^{4} + 3 \, c^{2} d^{4} e^{6} - d^{2} e^{8}\right )} x\right )}}\right ] \]
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\[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\int \frac {a + b \operatorname {asin}{\left (c x \right )}}{\left (d + e x\right )^{4}}\, dx \]
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\[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\int { \frac {b \arcsin \left (c x\right ) + a}{{\left (e x + d\right )}^{4}} \,d x } \]
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\[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\int { \frac {b \arcsin \left (c x\right ) + a}{{\left (e x + d\right )}^{4}} \,d x } \]
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Timed out. \[ \int \frac {a+b \arcsin (c x)}{(d+e x)^4} \, dx=\int \frac {a+b\,\mathrm {asin}\left (c\,x\right )}{{\left (d+e\,x\right )}^4} \,d x \]
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