Integrand size = 21, antiderivative size = 450 \[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}+\frac {\sqrt {d+e x} \left (a e \left (c d^2+5 a e^2\right )+4 c d \left (c d^2+2 a e^2\right ) x\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}}+\frac {2 \sqrt {c} d \left (c d^2+2 a e^2\right ) \sqrt {d+e x} \sqrt {1+\frac {c x^2}{a}} E\left (\arcsin \left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )|-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{3 (-a)^{3/2} \left (c d^2+a e^2\right )^2 \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {c} d+\sqrt {-a} e}} \sqrt {a+c x^2}}-\frac {\left (4 c d^2+5 a e^2\right ) \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {c} d+\sqrt {-a} e}} \sqrt {1+\frac {c x^2}{a}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right ),-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{6 (-a)^{3/2} \sqrt {c} \left (c d^2+a e^2\right ) \sqrt {d+e x} \sqrt {a+c x^2}} \]
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Time = 0.28 (sec) , antiderivative size = 450, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {755, 837, 858, 733, 435, 430} \[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\frac {\sqrt {d+e x} \left (4 c d x \left (2 a e^2+c d^2\right )+a e \left (5 a e^2+c d^2\right )\right )}{6 a^2 \sqrt {a+c x^2} \left (a e^2+c d^2\right )^2}-\frac {\sqrt {\frac {c x^2}{a}+1} \left (5 a e^2+4 c d^2\right ) \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {-a} e+\sqrt {c} d}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right ),-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{6 (-a)^{3/2} \sqrt {c} \sqrt {a+c x^2} \sqrt {d+e x} \left (a e^2+c d^2\right )}+\frac {2 \sqrt {c} d \sqrt {\frac {c x^2}{a}+1} \sqrt {d+e x} \left (2 a e^2+c d^2\right ) E\left (\arcsin \left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )|-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{3 (-a)^{3/2} \sqrt {a+c x^2} \left (a e^2+c d^2\right )^2 \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {-a} e+\sqrt {c} d}}}+\frac {\sqrt {d+e x} (a e+c d x)}{3 a \left (a+c x^2\right )^{3/2} \left (a e^2+c d^2\right )} \]
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Rule 430
Rule 435
Rule 733
Rule 755
Rule 837
Rule 858
Rubi steps \begin{align*} \text {integral}& = \frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}-\frac {\int \frac {\frac {1}{2} \left (-4 c d^2-5 a e^2\right )-\frac {3}{2} c d e x}{\sqrt {d+e x} \left (a+c x^2\right )^{3/2}} \, dx}{3 a \left (c d^2+a e^2\right )} \\ & = \frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}+\frac {\sqrt {d+e x} \left (a e \left (c d^2+5 a e^2\right )+4 c d \left (c d^2+2 a e^2\right ) x\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}}+\frac {\int \frac {\frac {1}{4} a c e^2 \left (c d^2+5 a e^2\right )-c^2 d e \left (c d^2+2 a e^2\right ) x}{\sqrt {d+e x} \sqrt {a+c x^2}} \, dx}{3 a^2 c \left (c d^2+a e^2\right )^2} \\ & = \frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}+\frac {\sqrt {d+e x} \left (a e \left (c d^2+5 a e^2\right )+4 c d \left (c d^2+2 a e^2\right ) x\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}}-\frac {\left (c d \left (c d^2+2 a e^2\right )\right ) \int \frac {\sqrt {d+e x}}{\sqrt {a+c x^2}} \, dx}{3 a^2 \left (c d^2+a e^2\right )^2}+\frac {\left (4 c d^2+5 a e^2\right ) \int \frac {1}{\sqrt {d+e x} \sqrt {a+c x^2}} \, dx}{12 a^2 \left (c d^2+a e^2\right )} \\ & = \frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}+\frac {\sqrt {d+e x} \left (a e \left (c d^2+5 a e^2\right )+4 c d \left (c d^2+2 a e^2\right ) x\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}}-\frac {\left (2 \sqrt {c} d \left (c d^2+2 a e^2\right ) \sqrt {d+e x} \sqrt {1+\frac {c x^2}{a}}\right ) \text {Subst}\left (\int \frac {\sqrt {1+\frac {2 a \sqrt {c} e x^2}{\sqrt {-a} \left (c d-\frac {a \sqrt {c} e}{\sqrt {-a}}\right )}}}{\sqrt {1-x^2}} \, dx,x,\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )}{3 \sqrt {-a} a \left (c d^2+a e^2\right )^2 \sqrt {\frac {c (d+e x)}{c d-\frac {a \sqrt {c} e}{\sqrt {-a}}}} \sqrt {a+c x^2}}+\frac {\left (\left (4 c d^2+5 a e^2\right ) \sqrt {\frac {c (d+e x)}{c d-\frac {a \sqrt {c} e}{\sqrt {-a}}}} \sqrt {1+\frac {c x^2}{a}}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x^2} \sqrt {1+\frac {2 a \sqrt {c} e x^2}{\sqrt {-a} \left (c d-\frac {a \sqrt {c} e}{\sqrt {-a}}\right )}}} \, dx,x,\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )}{6 \sqrt {-a} a \sqrt {c} \left (c d^2+a e^2\right ) \sqrt {d+e x} \sqrt {a+c x^2}} \\ & = \frac {(a e+c d x) \sqrt {d+e x}}{3 a \left (c d^2+a e^2\right ) \left (a+c x^2\right )^{3/2}}+\frac {\sqrt {d+e x} \left (a e \left (c d^2+5 a e^2\right )+4 c d \left (c d^2+2 a e^2\right ) x\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}}+\frac {2 \sqrt {c} d \left (c d^2+2 a e^2\right ) \sqrt {d+e x} \sqrt {1+\frac {c x^2}{a}} E\left (\sin ^{-1}\left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )|-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{3 (-a)^{3/2} \left (c d^2+a e^2\right )^2 \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {c} d+\sqrt {-a} e}} \sqrt {a+c x^2}}-\frac {\left (4 c d^2+5 a e^2\right ) \sqrt {\frac {\sqrt {c} (d+e x)}{\sqrt {c} d+\sqrt {-a} e}} \sqrt {1+\frac {c x^2}{a}} F\left (\sin ^{-1}\left (\frac {\sqrt {1-\frac {\sqrt {c} x}{\sqrt {-a}}}}{\sqrt {2}}\right )|-\frac {2 a e}{\sqrt {-a} \sqrt {c} d-a e}\right )}{6 (-a)^{3/2} \sqrt {c} \left (c d^2+a e^2\right ) \sqrt {d+e x} \sqrt {a+c x^2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 12.27 (sec) , antiderivative size = 555, normalized size of antiderivative = 1.23 \[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\frac {\sqrt {d+e x} \left (a c d^2 e+5 a^2 e^3+4 c^2 d^3 x+8 a c d e^2 x+\frac {2 a \left (c d^2+a e^2\right ) (a e+c d x)}{a+c x^2}-\frac {4 d e \left (c d^2+2 a e^2\right ) \left (a+c x^2\right )}{d+e x}-\frac {4 i c d \sqrt {-d-\frac {i \sqrt {a} e}{\sqrt {c}}} \left (c d^2+2 a e^2\right ) \sqrt {\frac {e \left (\frac {i \sqrt {a}}{\sqrt {c}}+x\right )}{d+e x}} \sqrt {-\frac {\frac {i \sqrt {a} e}{\sqrt {c}}-e x}{d+e x}} \sqrt {d+e x} E\left (i \text {arcsinh}\left (\frac {\sqrt {-d-\frac {i \sqrt {a} e}{\sqrt {c}}}}{\sqrt {d+e x}}\right )|\frac {\sqrt {c} d-i \sqrt {a} e}{\sqrt {c} d+i \sqrt {a} e}\right )}{e}+\frac {\sqrt {a} \left (4 c^{3/2} d^3+i \sqrt {a} c d^2 e+8 a \sqrt {c} d e^2+5 i a^{3/2} e^3\right ) \sqrt {\frac {e \left (\frac {i \sqrt {a}}{\sqrt {c}}+x\right )}{d+e x}} \sqrt {-\frac {\frac {i \sqrt {a} e}{\sqrt {c}}-e x}{d+e x}} \sqrt {d+e x} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\frac {\sqrt {-d-\frac {i \sqrt {a} e}{\sqrt {c}}}}{\sqrt {d+e x}}\right ),\frac {\sqrt {c} d-i \sqrt {a} e}{\sqrt {c} d+i \sqrt {a} e}\right )}{\sqrt {-d-\frac {i \sqrt {a} e}{\sqrt {c}}}}\right )}{6 a^2 \left (c d^2+a e^2\right )^2 \sqrt {a+c x^2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(857\) vs. \(2(378)=756\).
Time = 3.55 (sec) , antiderivative size = 858, normalized size of antiderivative = 1.91
method | result | size |
elliptic | \(\frac {\sqrt {\left (e x +d \right ) \left (c \,x^{2}+a \right )}\, \left (\frac {\left (\frac {d x}{3 c a \left (e^{2} a +c \,d^{2}\right )}+\frac {e}{3 \left (e^{2} a +c \,d^{2}\right ) c^{2}}\right ) \sqrt {c e \,x^{3}+c d \,x^{2}+a e x +a d}}{\left (x^{2}+\frac {a}{c}\right )^{2}}-\frac {2 \left (c e x +c d \right ) \left (-\frac {d \left (2 e^{2} a +c \,d^{2}\right ) x}{3 a^{2} \left (e^{2} a +c \,d^{2}\right )^{2}}-\frac {e \left (5 e^{2} a +c \,d^{2}\right )}{12 \left (e^{2} a +c \,d^{2}\right )^{2} a c}\right )}{\sqrt {\left (x^{2}+\frac {a}{c}\right ) \left (c e x +c d \right )}}+\frac {2 \left (\frac {5 e^{2} a +4 c \,d^{2}}{6 \left (e^{2} a +c \,d^{2}\right ) a^{2}}-\frac {e^{2} \left (5 e^{2} a +c \,d^{2}\right )}{12 \left (e^{2} a +c \,d^{2}\right )^{2} a}-\frac {2 c \,d^{2} \left (2 e^{2} a +c \,d^{2}\right )}{3 a^{2} \left (e^{2} a +c \,d^{2}\right )^{2}}\right ) \left (\frac {d}{e}-\frac {\sqrt {-a c}}{c}\right ) \sqrt {\frac {x +\frac {d}{e}}{\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\, \sqrt {\frac {x -\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\, \sqrt {\frac {x +\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}+\frac {\sqrt {-a c}}{c}}}\, F\left (\sqrt {\frac {x +\frac {d}{e}}{\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}, \sqrt {\frac {-\frac {d}{e}+\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\right )}{\sqrt {c e \,x^{3}+c d \,x^{2}+a e x +a d}}-\frac {2 c d e \left (2 e^{2} a +c \,d^{2}\right ) \left (\frac {d}{e}-\frac {\sqrt {-a c}}{c}\right ) \sqrt {\frac {x +\frac {d}{e}}{\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\, \sqrt {\frac {x -\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\, \sqrt {\frac {x +\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}+\frac {\sqrt {-a c}}{c}}}\, \left (\left (-\frac {d}{e}-\frac {\sqrt {-a c}}{c}\right ) E\left (\sqrt {\frac {x +\frac {d}{e}}{\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}, \sqrt {\frac {-\frac {d}{e}+\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\right )+\frac {\sqrt {-a c}\, F\left (\sqrt {\frac {x +\frac {d}{e}}{\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}, \sqrt {\frac {-\frac {d}{e}+\frac {\sqrt {-a c}}{c}}{-\frac {d}{e}-\frac {\sqrt {-a c}}{c}}}\right )}{c}\right )}{3 \left (e^{2} a +c \,d^{2}\right )^{2} a^{2} \sqrt {c e \,x^{3}+c d \,x^{2}+a e x +a d}}\right )}{\sqrt {e x +d}\, \sqrt {c \,x^{2}+a}}\) | \(858\) |
default | \(\text {Expression too large to display}\) | \(2673\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.11 (sec) , antiderivative size = 578, normalized size of antiderivative = 1.28 \[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\frac {{\left (4 \, a^{2} c^{2} d^{4} + 11 \, a^{3} c d^{2} e^{2} + 15 \, a^{4} e^{4} + {\left (4 \, c^{4} d^{4} + 11 \, a c^{3} d^{2} e^{2} + 15 \, a^{2} c^{2} e^{4}\right )} x^{4} + 2 \, {\left (4 \, a c^{3} d^{4} + 11 \, a^{2} c^{2} d^{2} e^{2} + 15 \, a^{3} c e^{4}\right )} x^{2}\right )} \sqrt {c e} {\rm weierstrassPInverse}\left (\frac {4 \, {\left (c d^{2} - 3 \, a e^{2}\right )}}{3 \, c e^{2}}, -\frac {8 \, {\left (c d^{3} + 9 \, a d e^{2}\right )}}{27 \, c e^{3}}, \frac {3 \, e x + d}{3 \, e}\right ) + 12 \, {\left (a^{2} c^{2} d^{3} e + 2 \, a^{3} c d e^{3} + {\left (c^{4} d^{3} e + 2 \, a c^{3} d e^{3}\right )} x^{4} + 2 \, {\left (a c^{3} d^{3} e + 2 \, a^{2} c^{2} d e^{3}\right )} x^{2}\right )} \sqrt {c e} {\rm weierstrassZeta}\left (\frac {4 \, {\left (c d^{2} - 3 \, a e^{2}\right )}}{3 \, c e^{2}}, -\frac {8 \, {\left (c d^{3} + 9 \, a d e^{2}\right )}}{27 \, c e^{3}}, {\rm weierstrassPInverse}\left (\frac {4 \, {\left (c d^{2} - 3 \, a e^{2}\right )}}{3 \, c e^{2}}, -\frac {8 \, {\left (c d^{3} + 9 \, a d e^{2}\right )}}{27 \, c e^{3}}, \frac {3 \, e x + d}{3 \, e}\right )\right ) + 3 \, {\left (3 \, a^{2} c^{2} d^{2} e^{2} + 7 \, a^{3} c e^{4} + 4 \, {\left (c^{4} d^{3} e + 2 \, a c^{3} d e^{3}\right )} x^{3} + {\left (a c^{3} d^{2} e^{2} + 5 \, a^{2} c^{2} e^{4}\right )} x^{2} + 2 \, {\left (3 \, a c^{3} d^{3} e + 5 \, a^{2} c^{2} d e^{3}\right )} x\right )} \sqrt {c x^{2} + a} \sqrt {e x + d}}{18 \, {\left (a^{4} c^{3} d^{4} e + 2 \, a^{5} c^{2} d^{2} e^{3} + a^{6} c e^{5} + {\left (a^{2} c^{5} d^{4} e + 2 \, a^{3} c^{4} d^{2} e^{3} + a^{4} c^{3} e^{5}\right )} x^{4} + 2 \, {\left (a^{3} c^{4} d^{4} e + 2 \, a^{4} c^{3} d^{2} e^{3} + a^{5} c^{2} e^{5}\right )} x^{2}\right )}} \]
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\[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\int \frac {1}{\left (a + c x^{2}\right )^{\frac {5}{2}} \sqrt {d + e x}}\, dx \]
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\[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\int { \frac {1}{{\left (c x^{2} + a\right )}^{\frac {5}{2}} \sqrt {e x + d}} \,d x } \]
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\[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\int { \frac {1}{{\left (c x^{2} + a\right )}^{\frac {5}{2}} \sqrt {e x + d}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {d+e x} \left (a+c x^2\right )^{5/2}} \, dx=\int \frac {1}{{\left (c\,x^2+a\right )}^{5/2}\,\sqrt {d+e\,x}} \,d x \]
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