Optimal. Leaf size=76 \[ -\frac {x^m (-b x)^{-m} \Gamma (1+m,-b x)}{2 b (1+m)}-\frac {x^m (b x)^{-m} \Gamma (1+m,b x)}{2 b (1+m)}+\frac {x^{1+m} \text {Shi}(b x)}{1+m} \]
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Rubi [A]
time = 0.05, antiderivative size = 76, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6667, 12, 3389,
2212} \begin {gather*} -\frac {x^m (-b x)^{-m} \text {Gamma}(m+1,-b x)}{2 b (m+1)}-\frac {x^m (b x)^{-m} \text {Gamma}(m+1,b x)}{2 b (m+1)}+\frac {x^{m+1} \text {Shi}(b x)}{m+1} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 2212
Rule 3389
Rule 6667
Rubi steps
\begin {align*} \int x^m \text {Shi}(b x) \, dx &=\frac {x^{1+m} \text {Shi}(b x)}{1+m}-\frac {b \int \frac {x^m \sinh (b x)}{b} \, dx}{1+m}\\ &=\frac {x^{1+m} \text {Shi}(b x)}{1+m}-\frac {\int x^m \sinh (b x) \, dx}{1+m}\\ &=\frac {x^{1+m} \text {Shi}(b x)}{1+m}+\frac {\int e^{-b x} x^m \, dx}{2 (1+m)}-\frac {\int e^{b x} x^m \, dx}{2 (1+m)}\\ &=-\frac {x^m (-b x)^{-m} \Gamma (1+m,-b x)}{2 b (1+m)}-\frac {x^m (b x)^{-m} \Gamma (1+m,b x)}{2 b (1+m)}+\frac {x^{1+m} \text {Shi}(b x)}{1+m}\\ \end {align*}
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Mathematica [A]
time = 0.07, size = 56, normalized size = 0.74 \begin {gather*} -\frac {x^m \left ((-b x)^{-m} \Gamma (1+m,-b x)+(b x)^{-m} \Gamma (1+m,b x)-2 b x \text {Shi}(b x)\right )}{2 b (1+m)} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains higher order function than in optimal. Order 5 vs. order
4.
time = 0.49, size = 37, normalized size = 0.49
method | result | size |
meijerg | \(\frac {b \,x^{2+m} \hypergeom \left (\left [\frac {1}{2}, 1+\frac {m}{2}\right ], \left [\frac {3}{2}, \frac {3}{2}, 2+\frac {m}{2}\right ], \frac {b^{2} x^{2}}{4}\right )}{2+m}\) | \(37\) |
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 [A]
time = 0.56, size = 44, normalized size = 0.58 \begin {gather*} \frac {b x^{2} x^{m} \Gamma \left (\frac {m}{2} + 1\right ) {{}_{2}F_{3}\left (\begin {matrix} \frac {1}{2}, \frac {m}{2} + 1 \\ \frac {3}{2}, \frac {3}{2}, \frac {m}{2} + 2 \end {matrix}\middle | {\frac {b^{2} x^{2}}{4}} \right )}}{2 \Gamma \left (\frac {m}{2} + 2\right )} \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 = -0.01 \begin {gather*} \int x^m\,\mathrm {sinhint}\left (b\,x\right ) \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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