Optimal. Leaf size=310 \[ \frac {a x^3}{3}+\frac {4 b x^{5/2} \text {ArcTan}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {PolyLog}\left (2,-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {PolyLog}\left (2,i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {PolyLog}\left (3,-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {PolyLog}\left (3,i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {120 i b x \text {PolyLog}\left (4,-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {PolyLog}\left (4,i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {240 i b \sqrt {x} \text {PolyLog}\left (5,-i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \sqrt {x} \text {PolyLog}\left (5,i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \text {PolyLog}\left (6,-i e^{c+d \sqrt {x}}\right )}{d^6}+\frac {240 i b \text {PolyLog}\left (6,i e^{c+d \sqrt {x}}\right )}{d^6} \]
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Rubi [A]
time = 0.20, antiderivative size = 310, normalized size of antiderivative = 1.00, number of steps
used = 16, number of rules used = 7, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.389, Rules used = {14, 5544,
4265, 2611, 6744, 2320, 6724} \begin {gather*} \frac {a x^3}{3}+\frac {4 b x^{5/2} \text {ArcTan}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {240 i b \text {Li}_6\left (-i e^{c+d \sqrt {x}}\right )}{d^6}+\frac {240 i b \text {Li}_6\left (i e^{c+d \sqrt {x}}\right )}{d^6}+\frac {240 i b \sqrt {x} \text {Li}_5\left (-i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \sqrt {x} \text {Li}_5\left (i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {120 i b x \text {Li}_4\left (-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {Li}_4\left (i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 14
Rule 2320
Rule 2611
Rule 4265
Rule 5544
Rule 6724
Rule 6744
Rubi steps
\begin {align*} \int x^2 \left (a+b \text {sech}\left (c+d \sqrt {x}\right )\right ) \, dx &=\int \left (a x^2+b x^2 \text {sech}\left (c+d \sqrt {x}\right )\right ) \, dx\\ &=\frac {a x^3}{3}+b \int x^2 \text {sech}\left (c+d \sqrt {x}\right ) \, dx\\ &=\frac {a x^3}{3}+(2 b) \text {Subst}\left (\int x^5 \text {sech}(c+d x) \, dx,x,\sqrt {x}\right )\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {(10 i b) \text {Subst}\left (\int x^4 \log \left (1-i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d}+\frac {(10 i b) \text {Subst}\left (\int x^4 \log \left (1+i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {(40 i b) \text {Subst}\left (\int x^3 \text {Li}_2\left (-i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^2}-\frac {(40 i b) \text {Subst}\left (\int x^3 \text {Li}_2\left (i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^2}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {(120 i b) \text {Subst}\left (\int x^2 \text {Li}_3\left (-i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^3}+\frac {(120 i b) \text {Subst}\left (\int x^2 \text {Li}_3\left (i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^3}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {120 i b x \text {Li}_4\left (-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {Li}_4\left (i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {(240 i b) \text {Subst}\left (\int x \text {Li}_4\left (-i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^4}-\frac {(240 i b) \text {Subst}\left (\int x \text {Li}_4\left (i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^4}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {120 i b x \text {Li}_4\left (-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {Li}_4\left (i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {240 i b \sqrt {x} \text {Li}_5\left (-i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \sqrt {x} \text {Li}_5\left (i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {(240 i b) \text {Subst}\left (\int \text {Li}_5\left (-i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^5}+\frac {(240 i b) \text {Subst}\left (\int \text {Li}_5\left (i e^{c+d x}\right ) \, dx,x,\sqrt {x}\right )}{d^5}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {120 i b x \text {Li}_4\left (-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {Li}_4\left (i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {240 i b \sqrt {x} \text {Li}_5\left (-i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \sqrt {x} \text {Li}_5\left (i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {(240 i b) \text {Subst}\left (\int \frac {\text {Li}_5(-i x)}{x} \, dx,x,e^{c+d \sqrt {x}}\right )}{d^6}+\frac {(240 i b) \text {Subst}\left (\int \frac {\text {Li}_5(i x)}{x} \, dx,x,e^{c+d \sqrt {x}}\right )}{d^6}\\ &=\frac {a x^3}{3}+\frac {4 b x^{5/2} \tan ^{-1}\left (e^{c+d \sqrt {x}}\right )}{d}-\frac {10 i b x^2 \text {Li}_2\left (-i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {10 i b x^2 \text {Li}_2\left (i e^{c+d \sqrt {x}}\right )}{d^2}+\frac {40 i b x^{3/2} \text {Li}_3\left (-i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {40 i b x^{3/2} \text {Li}_3\left (i e^{c+d \sqrt {x}}\right )}{d^3}-\frac {120 i b x \text {Li}_4\left (-i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {120 i b x \text {Li}_4\left (i e^{c+d \sqrt {x}}\right )}{d^4}+\frac {240 i b \sqrt {x} \text {Li}_5\left (-i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \sqrt {x} \text {Li}_5\left (i e^{c+d \sqrt {x}}\right )}{d^5}-\frac {240 i b \text {Li}_6\left (-i e^{c+d \sqrt {x}}\right )}{d^6}+\frac {240 i b \text {Li}_6\left (i e^{c+d \sqrt {x}}\right )}{d^6}\\ \end {align*}
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Mathematica [A]
time = 1.29, size = 311, normalized size = 1.00 \begin {gather*} \frac {a x^3}{3}+\frac {2 i b \left (d^5 x^{5/2} \log \left (1-i e^{c+d \sqrt {x}}\right )-d^5 x^{5/2} \log \left (1+i e^{c+d \sqrt {x}}\right )-5 d^4 x^2 \text {PolyLog}\left (2,-i e^{c+d \sqrt {x}}\right )+5 d^4 x^2 \text {PolyLog}\left (2,i e^{c+d \sqrt {x}}\right )+20 d^3 x^{3/2} \text {PolyLog}\left (3,-i e^{c+d \sqrt {x}}\right )-20 d^3 x^{3/2} \text {PolyLog}\left (3,i e^{c+d \sqrt {x}}\right )-60 d^2 x \text {PolyLog}\left (4,-i e^{c+d \sqrt {x}}\right )+60 d^2 x \text {PolyLog}\left (4,i e^{c+d \sqrt {x}}\right )+120 d \sqrt {x} \text {PolyLog}\left (5,-i e^{c+d \sqrt {x}}\right )-120 d \sqrt {x} \text {PolyLog}\left (5,i e^{c+d \sqrt {x}}\right )-120 \text {PolyLog}\left (6,-i e^{c+d \sqrt {x}}\right )+120 \text {PolyLog}\left (6,i e^{c+d \sqrt {x}}\right )\right )}{d^6} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 2.07, size = 0, normalized size = 0.00 \[\int x^{2} \left (a +b \,\mathrm {sech}\left (c +d \sqrt {x}\right )\right )\, dx\]
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 [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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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int x^{2} \left (a + b \operatorname {sech}{\left (c + d \sqrt {x} \right )}\right )\, 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 x^2\,\left (a+\frac {b}{\mathrm {cosh}\left (c+d\,\sqrt {x}\right )}\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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