Optimal. Leaf size=383 \[ \frac {\left (6144 b+1680 b^2+6912 a b x+2450 a b^2 x-12288 a^2 x^2-9216 a^3 x^3\right ) \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\left (-3072 b-1960 b^2-5760 a b x-3675 a b^2 x+6144 a^2 x^2+7680 a^3 x^3\right ) \sqrt {a x+\sqrt {-b+a^2 x^2}} \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\sqrt {-b+a^2 x^2} \left (\left (2304 b+2450 b^2-12288 a x-9216 a^2 x^2\right ) \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\left (-1920 b-3675 b^2+6144 a x+7680 a^2 x^2\right ) \sqrt {a x+\sqrt {-b+a^2 x^2}} \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}\right )}{26880 a^3 x \sqrt {-b+a^2 x^2}+13440 a^2 \left (-b+2 a^2 x^2\right )}+\frac {35 b^2 \tanh ^{-1}\left (\sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}\right )}{128 a^2} \]
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Rubi [F]
time = 0.14, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps
used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {}
\begin {gather*} \int \frac {x}{\sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {x}{\sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}} \, dx &=\int \frac {x}{\sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}} \, dx\\ \end {align*}
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Mathematica [A]
time = 0.92, size = 383, normalized size = 1.00 \begin {gather*} \frac {\left (6144 b+1680 b^2+6912 a b x+2450 a b^2 x-12288 a^2 x^2-9216 a^3 x^3\right ) \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\left (-3072 b-1960 b^2-5760 a b x-3675 a b^2 x+6144 a^2 x^2+7680 a^3 x^3\right ) \sqrt {a x+\sqrt {-b+a^2 x^2}} \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\sqrt {-b+a^2 x^2} \left (\left (2304 b+2450 b^2-12288 a x-9216 a^2 x^2\right ) \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}+\left (-1920 b-3675 b^2+6144 a x+7680 a^2 x^2\right ) \sqrt {a x+\sqrt {-b+a^2 x^2}} \sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}\right )}{26880 a^3 x \sqrt {-b+a^2 x^2}+13440 a^2 \left (-b+2 a^2 x^2\right )}+\frac {35 b^2 \tanh ^{-1}\left (\sqrt {1+\sqrt {a x+\sqrt {-b+a^2 x^2}}}\right )}{128 a^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {x}{\sqrt {1+\sqrt {a x +\sqrt {a^{2} x^{2}-b}}}}\, dx\]
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 [A]
time = 0.35, size = 210, normalized size = 0.55 \begin {gather*} \frac {3675 \, b^{2} \log \left (\sqrt {\sqrt {a x + \sqrt {a^{2} x^{2} - b}} + 1} + 1\right ) - 3675 \, b^{2} \log \left (\sqrt {\sqrt {a x + \sqrt {a^{2} x^{2} - b}} + 1} - 1\right ) + 2 \, {\left (3360 \, a^{2} x^{2} + 2 \, {\left (1225 \, a b - 1152 \, a\right )} x - 2 \, \sqrt {a^{2} x^{2} - b} {\left (1680 \, a x + 1225 \, b + 1152\right )} - {\left (3920 \, a^{2} x^{2} + 15 \, {\left (245 \, a b - 128 \, a\right )} x - 5 \, \sqrt {a^{2} x^{2} - b} {\left (784 \, a x + 735 \, b + 384\right )} - 1960 \, b - 3072\right )} \sqrt {a x + \sqrt {a^{2} x^{2} - b}} - 1680 \, b - 6144\right )} \sqrt {\sqrt {a x + \sqrt {a^{2} x^{2} - b}} + 1}}{26880 \, a^{2}} \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 {x}{\sqrt {\sqrt {a x + \sqrt {a^{2} x^{2} - b}} + 1}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 {x}{\sqrt {\sqrt {a\,x+\sqrt {a^2\,x^2-b}}+1}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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