Optimal. Leaf size=421 \[ \frac {\log \left (i a^{3/2} x^2+i \sqrt {a} \sqrt {b+a^2 x^4}+i \sqrt {2} a x \sqrt {a x^2+\sqrt {b+a^2 x^4}}\right )}{\sqrt {2} \sqrt {a}}-2 \sqrt {2} \sqrt {a} b \text {RootSum}\left [a^4 b^4+20 a^3 b^3 \text {$\#$1}^2-26 a^2 b^2 \text {$\#$1}^4+20 a b \text {$\#$1}^6+\text {$\#$1}^8\& ,\frac {a^2 b^2 \log \left (i a^{3/2} x^2+i \sqrt {a} \sqrt {b+a^2 x^4}+i \sqrt {2} a x \sqrt {a x^2+\sqrt {b+a^2 x^4}}-\text {$\#$1}\right )-2 a b \log \left (i a^{3/2} x^2+i \sqrt {a} \sqrt {b+a^2 x^4}+i \sqrt {2} a x \sqrt {a x^2+\sqrt {b+a^2 x^4}}-\text {$\#$1}\right ) \text {$\#$1}^2+\log \left (i a^{3/2} x^2+i \sqrt {a} \sqrt {b+a^2 x^4}+i \sqrt {2} a x \sqrt {a x^2+\sqrt {b+a^2 x^4}}-\text {$\#$1}\right ) \text {$\#$1}^4}{5 a^3 b^3-13 a^2 b^2 \text {$\#$1}^2+15 a b \text {$\#$1}^4+\text {$\#$1}^6}\& \right ] \]
[Out]
________________________________________________________________________________________
Rubi [F]
time = 2.84, 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 {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{-b+a^2 x^4} \, dx \end {gather*}
Verification is not applicable to the result.
[In]
[Out]
Rubi steps
\begin {align*} \int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{-b+a^2 x^4} \, dx &=\int \left (-\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt {b} \left (\sqrt {b}-a x^2\right )}-\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt {b} \left (\sqrt {b}+a x^2\right )}\right ) \, dx\\ &=-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt {b}-a x^2} \, dx}{2 \sqrt {b}}-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt {b}+a x^2} \, dx}{2 \sqrt {b}}\\ &=-\frac {\int \left (\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt [4]{b} \left (\sqrt [4]{b}-\sqrt {-a} x\right )}+\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt [4]{b} \left (\sqrt [4]{b}+\sqrt {-a} x\right )}\right ) \, dx}{2 \sqrt {b}}-\frac {\int \left (\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt [4]{b} \left (\sqrt [4]{b}-\sqrt {a} x\right )}+\frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{2 \sqrt [4]{b} \left (\sqrt [4]{b}+\sqrt {a} x\right )}\right ) \, dx}{2 \sqrt {b}}\\ &=-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt [4]{b}-\sqrt {-a} x} \, dx}{4 b^{3/4}}-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt [4]{b}+\sqrt {-a} x} \, dx}{4 b^{3/4}}-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt [4]{b}-\sqrt {a} x} \, dx}{4 b^{3/4}}-\frac {\int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{\sqrt [4]{b}+\sqrt {a} x} \, dx}{4 b^{3/4}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [F]
time = 10.36, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sqrt {b+a^2 x^4} \sqrt {a x^2+\sqrt {b+a^2 x^4}}}{-b+a^2 x^4} \, dx \end {gather*}
Verification is not applicable to the result.
[In]
[Out]
________________________________________________________________________________________
Maple [F]
time = 180.00, size = 0, normalized size = 0.00 \[\int \frac {\sqrt {a^{2} x^{4}+b}\, \sqrt {a \,x^{2}+\sqrt {a^{2} x^{4}+b}}}{a^{2} x^{4}-b}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Fricas [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.
[In]
[Out]
________________________________________________________________________________________
Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sqrt {a x^{2} + \sqrt {a^{2} x^{4} + b}} \sqrt {a^{2} x^{4} + b}}{a^{2} x^{4} - b}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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.
[In]
[Out]
________________________________________________________________________________________
Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} -\int \frac {\sqrt {\sqrt {a^2\,x^4+b}+a\,x^2}\,\sqrt {a^2\,x^4+b}}{b-a^2\,x^4} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________