Optimal. Leaf size=10 \[ \frac {1}{2} \sin \left (x^2+1\right ) \]
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Rubi [A] time = 0.01, antiderivative size = 10, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3380, 2637} \[ \frac {1}{2} \sin \left (x^2+1\right ) \]
Antiderivative was successfully verified.
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Rule 2637
Rule 3380
Rubi steps
\begin {align*} \int x \cos \left (1+x^2\right ) \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \cos (1+x) \, dx,x,x^2\right )\\ &=\frac {1}{2} \sin \left (1+x^2\right )\\ \end {align*}
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Mathematica [A] time = 0.00, size = 10, normalized size = 1.00 \[ \frac {1}{2} \sin \left (x^2+1\right ) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.58, size = 8, normalized size = 0.80 \[ \frac {1}{2} \, \sin \left (x^{2} + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 8, normalized size = 0.80 \[ \frac {1}{2} \, \sin \left (x^{2} + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 9, normalized size = 0.90 \[ \frac {\sin \left (x^{2}+1\right )}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.32, size = 8, normalized size = 0.80 \[ \frac {1}{2} \, \sin \left (x^{2} + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.98, size = 8, normalized size = 0.80 \[ \frac {\sin \left (x^2+1\right )}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.15, size = 7, normalized size = 0.70 \[ \frac {\sin {\left (x^{2} + 1 \right )}}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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