Optimal. Leaf size=401 \[ -\frac {(b c-a d) x \sqrt {e+f x^2}}{5 c (d e-c f) \left (c+d x^2\right )^{5/2}}+\frac {(4 a d (d e-2 c f)+b c (d e+3 c f)) x \sqrt {e+f x^2}}{15 c^2 (d e-c f)^2 \left (c+d x^2\right )^{3/2}}+\frac {\left (b c \left (2 d^2 e^2-7 c d e f-3 c^2 f^2\right )+a d \left (8 d^2 e^2-23 c d e f+23 c^2 f^2\right )\right ) \sqrt {e+f x^2} E\left (\tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|1-\frac {c f}{d e}\right )}{15 c^{5/2} \sqrt {d} (d e-c f)^3 \sqrt {c+d x^2} \sqrt {\frac {c \left (e+f x^2\right )}{e \left (c+d x^2\right )}}}-\frac {\sqrt {e} \sqrt {f} \left (b c e (d e-9 c f)+a \left (4 d^2 e^2-11 c d e f+15 c^2 f^2\right )\right ) \sqrt {c+d x^2} F\left (\tan ^{-1}\left (\frac {\sqrt {f} x}{\sqrt {e}}\right )|1-\frac {d e}{c f}\right )}{15 c^3 (d e-c f)^3 \sqrt {\frac {e \left (c+d x^2\right )}{c \left (e+f x^2\right )}} \sqrt {e+f x^2}} \]
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Rubi [A]
time = 0.28, antiderivative size = 401, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 30, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {541, 539, 429,
422} \begin {gather*} \frac {\sqrt {e+f x^2} \left (a d \left (23 c^2 f^2-23 c d e f+8 d^2 e^2\right )+b c \left (-3 c^2 f^2-7 c d e f+2 d^2 e^2\right )\right ) E\left (\text {ArcTan}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|1-\frac {c f}{d e}\right )}{15 c^{5/2} \sqrt {d} \sqrt {c+d x^2} (d e-c f)^3 \sqrt {\frac {c \left (e+f x^2\right )}{e \left (c+d x^2\right )}}}-\frac {\sqrt {e} \sqrt {f} \sqrt {c+d x^2} \left (a \left (15 c^2 f^2-11 c d e f+4 d^2 e^2\right )+b c e (d e-9 c f)\right ) F\left (\text {ArcTan}\left (\frac {\sqrt {f} x}{\sqrt {e}}\right )|1-\frac {d e}{c f}\right )}{15 c^3 \sqrt {e+f x^2} (d e-c f)^3 \sqrt {\frac {e \left (c+d x^2\right )}{c \left (e+f x^2\right )}}}+\frac {x \sqrt {e+f x^2} (4 a d (d e-2 c f)+b c (3 c f+d e))}{15 c^2 \left (c+d x^2\right )^{3/2} (d e-c f)^2}-\frac {x \sqrt {e+f x^2} (b c-a d)}{5 c \left (c+d x^2\right )^{5/2} (d e-c f)} \end {gather*}
Antiderivative was successfully verified.
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Rule 422
Rule 429
Rule 539
Rule 541
Rubi steps
\begin {align*} \int \frac {a+b x^2}{\left (c+d x^2\right )^{7/2} \sqrt {e+f x^2}} \, dx &=-\frac {(b c-a d) x \sqrt {e+f x^2}}{5 c (d e-c f) \left (c+d x^2\right )^{5/2}}-\frac {\int \frac {-b c e-4 a d e+5 a c f+3 (b c-a d) f x^2}{\left (c+d x^2\right )^{5/2} \sqrt {e+f x^2}} \, dx}{5 c (d e-c f)}\\ &=-\frac {(b c-a d) x \sqrt {e+f x^2}}{5 c (d e-c f) \left (c+d x^2\right )^{5/2}}+\frac {(4 a d (d e-2 c f)+b c (d e+3 c f)) x \sqrt {e+f x^2}}{15 c^2 (d e-c f)^2 \left (c+d x^2\right )^{3/2}}+\frac {\int \frac {2 b c e (d e-3 c f)+a \left (8 d^2 e^2-19 c d e f+15 c^2 f^2\right )+f (4 a d (d e-2 c f)+b c (d e+3 c f)) x^2}{\left (c+d x^2\right )^{3/2} \sqrt {e+f x^2}} \, dx}{15 c^2 (d e-c f)^2}\\ &=-\frac {(b c-a d) x \sqrt {e+f x^2}}{5 c (d e-c f) \left (c+d x^2\right )^{5/2}}+\frac {(4 a d (d e-2 c f)+b c (d e+3 c f)) x \sqrt {e+f x^2}}{15 c^2 (d e-c f)^2 \left (c+d x^2\right )^{3/2}}-\frac {\left (f \left (b c e (d e-9 c f)+a \left (4 d^2 e^2-11 c d e f+15 c^2 f^2\right )\right )\right ) \int \frac {1}{\sqrt {c+d x^2} \sqrt {e+f x^2}} \, dx}{15 c^2 (d e-c f)^3}+\frac {\left (b c \left (2 d^2 e^2-7 c d e f-3 c^2 f^2\right )+a d \left (8 d^2 e^2-23 c d e f+23 c^2 f^2\right )\right ) \int \frac {\sqrt {e+f x^2}}{\left (c+d x^2\right )^{3/2}} \, dx}{15 c^2 (d e-c f)^3}\\ &=-\frac {(b c-a d) x \sqrt {e+f x^2}}{5 c (d e-c f) \left (c+d x^2\right )^{5/2}}+\frac {(4 a d (d e-2 c f)+b c (d e+3 c f)) x \sqrt {e+f x^2}}{15 c^2 (d e-c f)^2 \left (c+d x^2\right )^{3/2}}+\frac {\left (b c \left (2 d^2 e^2-7 c d e f-3 c^2 f^2\right )+a d \left (8 d^2 e^2-23 c d e f+23 c^2 f^2\right )\right ) \sqrt {e+f x^2} E\left (\tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )|1-\frac {c f}{d e}\right )}{15 c^{5/2} \sqrt {d} (d e-c f)^3 \sqrt {c+d x^2} \sqrt {\frac {c \left (e+f x^2\right )}{e \left (c+d x^2\right )}}}-\frac {\sqrt {e} \sqrt {f} \left (b c e (d e-9 c f)+a \left (4 d^2 e^2-11 c d e f+15 c^2 f^2\right )\right ) \sqrt {c+d x^2} F\left (\tan ^{-1}\left (\frac {\sqrt {f} x}{\sqrt {e}}\right )|1-\frac {d e}{c f}\right )}{15 c^3 (d e-c f)^3 \sqrt {\frac {e \left (c+d x^2\right )}{c \left (e+f x^2\right )}} \sqrt {e+f x^2}}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 10.92, size = 393, normalized size = 0.98 \begin {gather*} \frac {-\sqrt {\frac {d}{c}} x \left (e+f x^2\right ) \left (3 c^2 (b c-a d) (d e-c f)^2+c (-d e+c f) (4 a d (d e-2 c f)+b c (d e+3 c f)) \left (c+d x^2\right )+\left (a d \left (-8 d^2 e^2+23 c d e f-23 c^2 f^2\right )+b c \left (-2 d^2 e^2+7 c d e f+3 c^2 f^2\right )\right ) \left (c+d x^2\right )^2\right )-i \left (c+d x^2\right )^2 \sqrt {1+\frac {d x^2}{c}} \sqrt {1+\frac {f x^2}{e}} \left (e \left (a d \left (-8 d^2 e^2+23 c d e f-23 c^2 f^2\right )+b c \left (-2 d^2 e^2+7 c d e f+3 c^2 f^2\right )\right ) E\left (i \sinh ^{-1}\left (\sqrt {\frac {d}{c}} x\right )|\frac {c f}{d e}\right )+(d e-c f) \left (2 b c e (d e-3 c f)+a \left (8 d^2 e^2-19 c d e f+15 c^2 f^2\right )\right ) F\left (i \sinh ^{-1}\left (\sqrt {\frac {d}{c}} x\right )|\frac {c f}{d e}\right )\right )}{15 c^3 \sqrt {\frac {d}{c}} (d e-c f)^3 \left (c+d x^2\right )^{5/2} \sqrt {e+f 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. \(3038\) vs.
\(2(435)=870\).
time = 0.13, size = 3039, normalized size = 7.58
method | result | size |
elliptic | \(\frac {\sqrt {\left (d \,x^{2}+c \right ) \left (f \,x^{2}+e \right )}\, \left (-\frac {x \left (a d -b c \right ) \sqrt {d f \,x^{4}+c f \,x^{2}+d e \,x^{2}+c e}}{5 d^{3} c \left (c f -d e \right ) \left (x^{2}+\frac {c}{d}\right )^{3}}-\frac {\left (8 a c d f -4 a \,d^{2} e -3 b \,c^{2} f -b c d e \right ) x \sqrt {d f \,x^{4}+c f \,x^{2}+d e \,x^{2}+c e}}{15 c^{2} \left (c f -d e \right )^{2} d^{2} \left (x^{2}+\frac {c}{d}\right )^{2}}-\frac {\left (d f \,x^{2}+d e \right ) x \left (23 a \,c^{2} d \,f^{2}-23 a c \,d^{2} e f +8 a \,d^{3} e^{2}-3 b \,c^{3} f^{2}-7 b \,c^{2} d e f +2 b c \,d^{2} e^{2}\right )}{15 d \,c^{3} \left (c f -d e \right )^{3} \sqrt {\left (x^{2}+\frac {c}{d}\right ) \left (d f \,x^{2}+d e \right )}}+\frac {\left (-\frac {f \left (8 a c d f -4 a \,d^{2} e -3 b \,c^{2} f -b c d e \right )}{15 d \,c^{2} \left (c f -d e \right )^{2}}+\frac {23 a \,c^{2} d \,f^{2}-23 a c \,d^{2} e f +8 a \,d^{3} e^{2}-3 b \,c^{3} f^{2}-7 b \,c^{2} d e f +2 b c \,d^{2} e^{2}}{15 \left (c f -d e \right )^{2} d \,c^{3}}+\frac {e \left (23 a \,c^{2} d \,f^{2}-23 a c \,d^{2} e f +8 a \,d^{3} e^{2}-3 b \,c^{3} f^{2}-7 b \,c^{2} d e f +2 b c \,d^{2} e^{2}\right )}{15 c^{3} \left (c f -d e \right )^{3}}\right ) \sqrt {1+\frac {d \,x^{2}}{c}}\, \sqrt {1+\frac {f \,x^{2}}{e}}\, \EllipticF \left (x \sqrt {-\frac {d}{c}}, \sqrt {-1+\frac {c f +d e}{e d}}\right )}{\sqrt {-\frac {d}{c}}\, \sqrt {d f \,x^{4}+c f \,x^{2}+d e \,x^{2}+c e}}-\frac {\left (23 a \,c^{2} d \,f^{2}-23 a c \,d^{2} e f +8 a \,d^{3} e^{2}-3 b \,c^{3} f^{2}-7 b \,c^{2} d e f +2 b c \,d^{2} e^{2}\right ) e \sqrt {1+\frac {d \,x^{2}}{c}}\, \sqrt {1+\frac {f \,x^{2}}{e}}\, \left (\EllipticF \left (x \sqrt {-\frac {d}{c}}, \sqrt {-1+\frac {c f +d e}{e d}}\right )-\EllipticE \left (x \sqrt {-\frac {d}{c}}, \sqrt {-1+\frac {c f +d e}{e d}}\right )\right )}{15 c^{3} \left (c f -d e \right )^{3} \sqrt {-\frac {d}{c}}\, \sqrt {d f \,x^{4}+c f \,x^{2}+d e \,x^{2}+c e}}\right )}{\sqrt {d \,x^{2}+c}\, \sqrt {f \,x^{2}+e}}\) | \(760\) |
default | \(\text {Expression too large to display}\) | \(3039\) |
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 {a + b x^{2}}{\left (c + d x^{2}\right )^{\frac {7}{2}} \sqrt {e + f 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 = -0.00 \begin {gather*} \int \frac {b\,x^2+a}{{\left (d\,x^2+c\right )}^{7/2}\,\sqrt {f\,x^2+e}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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