Integrand size = 34, antiderivative size = 541 \[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\frac {x \sqrt {c+d x^2} \sqrt {e+f x^2}}{2 \sqrt {a+b x^2}}-\frac {\sqrt {c} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2} E\left (\arcsin \left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )|\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}}+\frac {(b c-a d) \sqrt {e} (2 b e-a f) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right ),\frac {(b c-a d) e}{c (b e-a f)}\right )}{2 b^2 c \sqrt {b e-a f} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}}-\frac {a (a d f-b (d e+c f)) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \operatorname {EllipticPi}\left (\frac {b c}{b c-a d},\arcsin \left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right ),\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b^2 \sqrt {c} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}} \]
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Time = 0.29 (sec) , antiderivative size = 541, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.206, Rules used = {570, 568, 435, 567, 551, 566, 430} \[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\frac {\sqrt {e} \sqrt {c+d x^2} (b c-a d) (2 b e-a f) \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {b x^2+a}}\right ),\frac {(b c-a d) e}{c (b e-a f)}\right )}{2 b^2 c \sqrt {e+f x^2} \sqrt {b e-a f} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}}}-\frac {a \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} (a d f-b (c f+d e)) \operatorname {EllipticPi}\left (\frac {b c}{b c-a d},\arcsin \left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {b x^2+a}}\right ),\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b^2 \sqrt {c} \sqrt {e+f x^2} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}}}-\frac {\sqrt {c} \sqrt {e+f x^2} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} E\left (\arcsin \left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {b x^2+a}}\right )|\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}}+\frac {x \sqrt {c+d x^2} \sqrt {e+f x^2}}{2 \sqrt {a+b x^2}} \]
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Rule 430
Rule 435
Rule 551
Rule 566
Rule 567
Rule 568
Rule 570
Rubi steps \begin{align*} \text {integral}& = \frac {x \sqrt {c+d x^2} \sqrt {e+f x^2}}{2 \sqrt {a+b x^2}}-\frac {(a (b c-a d)) \int \frac {\sqrt {e+f x^2}}{\left (a+b x^2\right )^{3/2} \sqrt {c+d x^2}} \, dx}{2 b}+\frac {((b c-a d) (2 b e-a f)) \int \frac {1}{\sqrt {a+b x^2} \sqrt {c+d x^2} \sqrt {e+f x^2}} \, dx}{2 b^2}+\frac {(b d e+b c f-a d f) \int \frac {\sqrt {a+b x^2}}{\sqrt {c+d x^2} \sqrt {e+f x^2}} \, dx}{2 b^2} \\ & = \frac {x \sqrt {c+d x^2} \sqrt {e+f x^2}}{2 \sqrt {a+b x^2}}-\frac {\left ((b c-a d) \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}\right ) \text {Subst}\left (\int \frac {\sqrt {1-\frac {(b e-a f) x^2}{e}}}{\sqrt {1-\frac {(b c-a d) x^2}{c}}} \, dx,x,\frac {x}{\sqrt {a+b x^2}}\right )}{2 b \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}}+\frac {\left ((b c-a d) (2 b e-a f) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-\frac {(b c-a d) x^2}{c}} \sqrt {1-\frac {(b e-a f) x^2}{e}}} \, dx,x,\frac {x}{\sqrt {a+b x^2}}\right )}{2 b^2 c \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}}+\frac {\left (a (b d e+b c f-a d f) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}\right ) \text {Subst}\left (\int \frac {1}{\left (1-b x^2\right ) \sqrt {1-\frac {(b c-a d) x^2}{c}} \sqrt {1-\frac {(b e-a f) x^2}{e}}} \, dx,x,\frac {x}{\sqrt {a+b x^2}}\right )}{2 b^2 c \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}} \\ & = \frac {x \sqrt {c+d x^2} \sqrt {e+f x^2}}{2 \sqrt {a+b x^2}}-\frac {\sqrt {c} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2} E\left (\sin ^{-1}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )|\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}}}+\frac {(b c-a d) \sqrt {e} (2 b e-a f) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} F\left (\sin ^{-1}\left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right )|\frac {(b c-a d) e}{c (b e-a f)}\right )}{2 b^2 c \sqrt {b e-a f} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}}+\frac {a (b d e+b c f-a d f) \sqrt {c+d x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \Pi \left (\frac {b c}{b c-a d};\sin ^{-1}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )|\frac {c (b e-a f)}{(b c-a d) e}\right )}{2 b^2 \sqrt {c} \sqrt {b c-a d} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \sqrt {e+f x^2}} \\ \end{align*}
Time = 3.48 (sec) , antiderivative size = 512, normalized size of antiderivative = 0.95 \[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\frac {\sqrt {a+b x^2} \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \left (b^2 c \sqrt {b c-a d} x \sqrt {\frac {a \left (c+d x^2\right )}{c \left (a+b x^2\right )}} \left (e+f x^2\right )-b c \sqrt {b c-a d} \sqrt {e} \sqrt {b e-a f} \sqrt {a+b x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} E\left (\arcsin \left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right )|\frac {b c e-a d e}{b c e-a c f}\right )+\sqrt {b c-a d} (2 b c-a d) \sqrt {e} \sqrt {b e-a f} \sqrt {a+b x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {b e-a f} x}{\sqrt {e} \sqrt {a+b x^2}}\right ),\frac {b c e-a d e}{b c e-a c f}\right )-a \sqrt {c} (a d f-b (d e+c f)) \sqrt {a+b x^2} \sqrt {\frac {a \left (e+f x^2\right )}{e \left (a+b x^2\right )}} \operatorname {EllipticPi}\left (\frac {b c}{b c-a d},\arcsin \left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right ),\frac {b c e-a c f}{b c e-a d e}\right )\right )}{2 a b^2 \sqrt {b c-a d} \sqrt {c+d x^2} \sqrt {e+f x^2}} \]
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\[\int \frac {\sqrt {d \,x^{2}+c}\, \sqrt {f \,x^{2}+e}}{\sqrt {b \,x^{2}+a}}d x\]
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Timed out. \[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\text {Timed out} \]
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\[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\int \frac {\sqrt {c + d x^{2}} \sqrt {e + f x^{2}}}{\sqrt {a + b x^{2}}}\, dx \]
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\[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\int { \frac {\sqrt {d x^{2} + c} \sqrt {f x^{2} + e}}{\sqrt {b x^{2} + a}} \,d x } \]
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\[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\int { \frac {\sqrt {d x^{2} + c} \sqrt {f x^{2} + e}}{\sqrt {b x^{2} + a}} \,d x } \]
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Timed out. \[ \int \frac {\sqrt {c+d x^2} \sqrt {e+f x^2}}{\sqrt {a+b x^2}} \, dx=\int \frac {\sqrt {d\,x^2+c}\,\sqrt {f\,x^2+e}}{\sqrt {b\,x^2+a}} \,d x \]
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