Optimal. Leaf size=90 \[ \frac {\sqrt {c} \sqrt {-a-b x^2} \sqrt {1-\frac {d x^2}{c}} E\left (\sin ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|-\frac {b c}{a d}\right )}{\sqrt {d} \sqrt {1+\frac {b x^2}{a}} \sqrt {c-d x^2}} \]
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Rubi [A]
time = 0.03, antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {438, 437, 435}
\begin {gather*} \frac {\sqrt {c} \sqrt {-a-b x^2} \sqrt {1-\frac {d x^2}{c}} E\left (\text {ArcSin}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|-\frac {b c}{a d}\right )}{\sqrt {d} \sqrt {\frac {b x^2}{a}+1} \sqrt {c-d x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 435
Rule 437
Rule 438
Rubi steps
\begin {align*} \int \frac {\sqrt {-a-b x^2}}{\sqrt {c-d x^2}} \, dx &=\frac {\sqrt {1-\frac {d x^2}{c}} \int \frac {\sqrt {-a-b x^2}}{\sqrt {1-\frac {d x^2}{c}}} \, dx}{\sqrt {c-d x^2}}\\ &=\frac {\left (\sqrt {-a-b x^2} \sqrt {1-\frac {d x^2}{c}}\right ) \int \frac {\sqrt {1+\frac {b x^2}{a}}}{\sqrt {1-\frac {d x^2}{c}}} \, dx}{\sqrt {1+\frac {b x^2}{a}} \sqrt {c-d x^2}}\\ &=\frac {\sqrt {c} \sqrt {-a-b x^2} \sqrt {1-\frac {d x^2}{c}} E\left (\sin ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|-\frac {b c}{a d}\right )}{\sqrt {d} \sqrt {1+\frac {b x^2}{a}} \sqrt {c-d x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.89, size = 90, normalized size = 1.00 \begin {gather*} \frac {\sqrt {-a-b x^2} \sqrt {\frac {c-d x^2}{c}} E\left (\sin ^{-1}\left (\sqrt {\frac {d}{c}} x\right )|-\frac {b c}{a d}\right )}{\sqrt {\frac {d}{c}} \sqrt {\frac {a+b x^2}{a}} \sqrt {c-d x^2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(167\) vs.
\(2(75)=150\).
time = 0.08, size = 168, normalized size = 1.87
method | result | size |
default | \(\frac {\sqrt {-b \,x^{2}-a}\, \sqrt {-d \,x^{2}+c}\, \sqrt {\frac {b \,x^{2}+a}{a}}\, \sqrt {\frac {-d \,x^{2}+c}{c}}\, \left (a \EllipticF \left (x \sqrt {-\frac {b}{a}}, \sqrt {-\frac {a d}{b c}}\right ) d +b c \EllipticF \left (x \sqrt {-\frac {b}{a}}, \sqrt {-\frac {a d}{b c}}\right )-b c \EllipticE \left (x \sqrt {-\frac {b}{a}}, \sqrt {-\frac {a d}{b c}}\right )\right )}{\left (-b d \,x^{4}-a d \,x^{2}+c \,x^{2} b +a c \right ) \sqrt {-\frac {b}{a}}\, d}\) | \(168\) |
elliptic | \(\frac {\sqrt {-\left (b \,x^{2}+a \right ) \left (-d \,x^{2}+c \right )}\, \left (-\frac {a \sqrt {1+\frac {b \,x^{2}}{a}}\, \sqrt {1-\frac {d \,x^{2}}{c}}\, \EllipticF \left (x \sqrt {-\frac {b}{a}}, \sqrt {-1-\frac {a d -b c}{c b}}\right )}{\sqrt {-\frac {b}{a}}\, \sqrt {b d \,x^{4}+a d \,x^{2}-c \,x^{2} b -a c}}-\frac {b c \sqrt {1+\frac {b \,x^{2}}{a}}\, \sqrt {1-\frac {d \,x^{2}}{c}}\, \left (\EllipticF \left (x \sqrt {-\frac {b}{a}}, \sqrt {-1-\frac {a d -b c}{c b}}\right )-\EllipticE \left (x \sqrt {-\frac {b}{a}}, \sqrt {-1-\frac {a d -b c}{c b}}\right )\right )}{\sqrt {-\frac {b}{a}}\, \sqrt {b d \,x^{4}+a d \,x^{2}-c \,x^{2} b -a c}\, d}\right )}{\sqrt {-b \,x^{2}-a}\, \sqrt {-d \,x^{2}+c}}\) | \(268\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sqrt {- a - b x^{2}}}{\sqrt {c - d x^{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {\sqrt {-b\,x^2-a}}{\sqrt {c-d\,x^2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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