Optimal. Leaf size=33 \[ x-\frac {2 a^{m x}}{m \log (a)}+\frac {a^{2 m x}}{2 m \log (a)} \]
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Rubi [A]
time = 0.01, antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {2320, 45}
\begin {gather*} -\frac {2 a^{m x}}{m \log (a)}+\frac {a^{2 m x}}{2 m \log (a)}+x \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 2320
Rubi steps
\begin {align*} \int \left (1-a^{m x}\right )^2 \, dx &=\frac {\text {Subst}\left (\int \frac {(1-x)^2}{x} \, dx,x,a^{m x}\right )}{m \log (a)}\\ &=\frac {\text {Subst}\left (\int \left (-2+\frac {1}{x}+x\right ) \, dx,x,a^{m x}\right )}{m \log (a)}\\ &=x-\frac {2 a^{m x}}{m \log (a)}+\frac {a^{2 m x}}{2 m \log (a)}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 35, normalized size = 1.06 \begin {gather*} \frac {\frac {a^{m x} \left (-4+a^{m x}\right )}{2 m}+\frac {\log \left (a^{m x}\right )}{m}}{\log (a)} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 32, normalized size = 0.97
method | result | size |
derivativedivides | \(\frac {\frac {a^{2 m x}}{2}-2 a^{m x}+\ln \left (a^{m x}\right )}{m \ln \left (a \right )}\) | \(32\) |
default | \(\frac {\frac {a^{2 m x}}{2}-2 a^{m x}+\ln \left (a^{m x}\right )}{m \ln \left (a \right )}\) | \(32\) |
risch | \(x -\frac {2 a^{m x}}{m \ln \left (a \right )}+\frac {a^{2 m x}}{2 m \ln \left (a \right )}\) | \(33\) |
norman | \(x -\frac {2 \,{\mathrm e}^{m x \ln \left (a \right )}}{m \ln \left (a \right )}+\frac {{\mathrm e}^{2 m x \ln \left (a \right )}}{2 m \ln \left (a \right )}\) | \(35\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 2.17, size = 31, normalized size = 0.94 \begin {gather*} x + \frac {a^{2 \, m x}}{2 \, m \log \left (a\right )} - \frac {2 \, a^{m x}}{m \log \left (a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.78, size = 29, normalized size = 0.88 \begin {gather*} \frac {2 \, m x \log \left (a\right ) + a^{2 \, m x} - 4 \, a^{m x}}{2 \, m \log \left (a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.04, size = 44, normalized size = 1.33 \begin {gather*} x + \begin {cases} \frac {a^{2 m x} m \log {\left (a \right )} - 4 a^{m x} m \log {\left (a \right )}}{2 m^{2} \log {\left (a \right )}^{2}} & \text {for}\: m^{2} \log {\left (a \right )}^{2} \neq 0 \\- x & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.36, size = 30, normalized size = 0.91 \begin {gather*} \frac {2 \, m x \log \left ({\left | a \right |}\right ) + a^{2 \, m x} - 4 \, a^{m x}}{2 \, m \log \left (a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.30, size = 27, normalized size = 0.82 \begin {gather*} x-\frac {2\,a^{m\,x}-\frac {a^{2\,m\,x}}{2}}{m\,\ln \left (a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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