Optimal. Leaf size=48 \[ \frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+\frac {\text {Shi}(2 a+2 b x)}{b} \]
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Rubi [A]
time = 0.05, antiderivative size = 48, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.625, Rules used = {6670, 6676,
5556, 12, 3379} \begin {gather*} \frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+\frac {\text {Shi}(2 a+2 b x)}{b} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 3379
Rule 5556
Rule 6670
Rule 6676
Rubi steps
\begin {align*} \int \text {Chi}(a+b x)^2 \, dx &=\frac {(a+b x) \text {Chi}(a+b x)^2}{b}-2 \int \cosh (a+b x) \text {Chi}(a+b x) \, dx\\ &=\frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+2 \int \frac {\cosh (a+b x) \sinh (a+b x)}{a+b x} \, dx\\ &=\frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+2 \int \frac {\sinh (2 a+2 b x)}{2 (a+b x)} \, dx\\ &=\frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+\int \frac {\sinh (2 a+2 b x)}{a+b x} \, dx\\ &=\frac {(a+b x) \text {Chi}(a+b x)^2}{b}-\frac {2 \text {Chi}(a+b x) \sinh (a+b x)}{b}+\frac {\text {Shi}(2 a+2 b x)}{b}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 41, normalized size = 0.85 \begin {gather*} \frac {(a+b x) \text {Chi}(a+b x)^2-2 \text {Chi}(a+b x) \sinh (a+b x)+\text {Shi}(2 (a+b x))}{b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 43, normalized size = 0.90
method | result | size |
derivativedivides | \(\frac {\hyperbolicCosineIntegral \left (b x +a \right )^{2} \left (b x +a \right )-2 \hyperbolicCosineIntegral \left (b x +a \right ) \sinh \left (b x +a \right )+\hyperbolicSineIntegral \left (2 b x +2 a \right )}{b}\) | \(43\) |
default | \(\frac {\hyperbolicCosineIntegral \left (b x +a \right )^{2} \left (b x +a \right )-2 \hyperbolicCosineIntegral \left (b x +a \right ) \sinh \left (b x +a \right )+\hyperbolicSineIntegral \left (2 b x +2 a \right )}{b}\) | \(43\) |
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 \operatorname {Chi}^{2}\left (a + b x\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 = -0.02 \begin {gather*} \int {\mathrm {coshint}\left (a+b\,x\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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