Optimal. Leaf size=71 \[ \frac {2}{3} b d^2 x+\frac {b d^2 (1+c x)^2}{6 c}+\frac {d^2 (1+c x)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}+\frac {4 b d^2 \log (1-c x)}{3 c} \]
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Rubi [A]
time = 0.03, antiderivative size = 71, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {6063, 641, 45}
\begin {gather*} \frac {d^2 (c x+1)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}+\frac {b d^2 (c x+1)^2}{6 c}+\frac {4 b d^2 \log (1-c x)}{3 c}+\frac {2}{3} b d^2 x \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 641
Rule 6063
Rubi steps
\begin {align*} \int (d+c d x)^2 \left (a+b \tanh ^{-1}(c x)\right ) \, dx &=\frac {d^2 (1+c x)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}-\frac {b \int \frac {(d+c d x)^3}{1-c^2 x^2} \, dx}{3 d}\\ &=\frac {d^2 (1+c x)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}-\frac {b \int \frac {(d+c d x)^2}{\frac {1}{d}-\frac {c x}{d}} \, dx}{3 d}\\ &=\frac {d^2 (1+c x)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}-\frac {b \int \left (-2 d^3+\frac {4 d^2}{\frac {1}{d}-\frac {c x}{d}}-d^2 (d+c d x)\right ) \, dx}{3 d}\\ &=\frac {2}{3} b d^2 x+\frac {b d^2 (1+c x)^2}{6 c}+\frac {d^2 (1+c x)^3 \left (a+b \tanh ^{-1}(c x)\right )}{3 c}+\frac {4 b d^2 \log (1-c x)}{3 c}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 92, normalized size = 1.30 \begin {gather*} \frac {d^2 \left (6 a c x+6 b c x+6 a c^2 x^2+b c^2 x^2+2 a c^3 x^3+2 b c x \left (3+3 c x+c^2 x^2\right ) \tanh ^{-1}(c x)+6 b \log (1-c x)+b \log \left (1-c^2 x^2\right )\right )}{6 c} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.15, size = 102, normalized size = 1.44
method | result | size |
derivativedivides | \(\frac {\frac {d^{2} \left (c x +1\right )^{3} a}{3}+\frac {d^{2} b \arctanh \left (c x \right ) c^{3} x^{3}}{3}+d^{2} b \arctanh \left (c x \right ) c^{2} x^{2}+b c \,d^{2} x \arctanh \left (c x \right )+\frac {b \,d^{2} \arctanh \left (c x \right )}{3}+\frac {d^{2} b \,c^{2} x^{2}}{6}+b c \,d^{2} x +\frac {4 d^{2} b \ln \left (c x -1\right )}{3}}{c}\) | \(102\) |
default | \(\frac {\frac {d^{2} \left (c x +1\right )^{3} a}{3}+\frac {d^{2} b \arctanh \left (c x \right ) c^{3} x^{3}}{3}+d^{2} b \arctanh \left (c x \right ) c^{2} x^{2}+b c \,d^{2} x \arctanh \left (c x \right )+\frac {b \,d^{2} \arctanh \left (c x \right )}{3}+\frac {d^{2} b \,c^{2} x^{2}}{6}+b c \,d^{2} x +\frac {4 d^{2} b \ln \left (c x -1\right )}{3}}{c}\) | \(102\) |
risch | \(\frac {d^{2} \left (c x +1\right )^{3} b \ln \left (c x +1\right )}{6 c}-\frac {d^{2} c^{2} x^{3} b \ln \left (-c x +1\right )}{6}+\frac {d^{2} c^{2} x^{3} a}{3}-\frac {d^{2} c b \,x^{2} \ln \left (-c x +1\right )}{2}+d^{2} c a \,x^{2}+\frac {d^{2} c b \,x^{2}}{6}-\frac {d^{2} b x \ln \left (-c x +1\right )}{2}+d^{2} a x +b \,d^{2} x -\frac {b \,d^{2} \ln \left (-c x +1\right )}{6 c}+\frac {4 d^{2} b \ln \left (c x -1\right )}{3 c}\) | \(148\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 147 vs.
\(2 (63) = 126\).
time = 0.26, size = 147, normalized size = 2.07 \begin {gather*} \frac {1}{3} \, a c^{2} d^{2} x^{3} + \frac {1}{6} \, {\left (2 \, x^{3} \operatorname {artanh}\left (c x\right ) + c {\left (\frac {x^{2}}{c^{2}} + \frac {\log \left (c^{2} x^{2} - 1\right )}{c^{4}}\right )}\right )} b c^{2} d^{2} + a c d^{2} x^{2} + \frac {1}{2} \, {\left (2 \, x^{2} \operatorname {artanh}\left (c x\right ) + c {\left (\frac {2 \, x}{c^{2}} - \frac {\log \left (c x + 1\right )}{c^{3}} + \frac {\log \left (c x - 1\right )}{c^{3}}\right )}\right )} b c d^{2} + a d^{2} x + \frac {{\left (2 \, c x \operatorname {artanh}\left (c x\right ) + \log \left (-c^{2} x^{2} + 1\right )\right )} b d^{2}}{2 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 114, normalized size = 1.61 \begin {gather*} \frac {2 \, a c^{3} d^{2} x^{3} + {\left (6 \, a + b\right )} c^{2} d^{2} x^{2} + 6 \, {\left (a + b\right )} c d^{2} x + b d^{2} \log \left (c x + 1\right ) + 7 \, b d^{2} \log \left (c x - 1\right ) + {\left (b c^{3} d^{2} x^{3} + 3 \, b c^{2} d^{2} x^{2} + 3 \, b c d^{2} x\right )} \log \left (-\frac {c x + 1}{c x - 1}\right )}{6 \, c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 131 vs.
\(2 (63) = 126\).
time = 0.27, size = 131, normalized size = 1.85 \begin {gather*} \begin {cases} \frac {a c^{2} d^{2} x^{3}}{3} + a c d^{2} x^{2} + a d^{2} x + \frac {b c^{2} d^{2} x^{3} \operatorname {atanh}{\left (c x \right )}}{3} + b c d^{2} x^{2} \operatorname {atanh}{\left (c x \right )} + \frac {b c d^{2} x^{2}}{6} + b d^{2} x \operatorname {atanh}{\left (c x \right )} + b d^{2} x + \frac {4 b d^{2} \log {\left (x - \frac {1}{c} \right )}}{3 c} + \frac {b d^{2} \operatorname {atanh}{\left (c x \right )}}{3 c} & \text {for}\: c \neq 0 \\a d^{2} x & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 330 vs.
\(2 (63) = 126\).
time = 0.41, size = 330, normalized size = 4.65 \begin {gather*} -\frac {2}{3} \, {\left (\frac {2 \, b d^{2} \log \left (-\frac {c x + 1}{c x - 1} + 1\right )}{c^{2}} - \frac {2 \, b d^{2} \log \left (-\frac {c x + 1}{c x - 1}\right )}{c^{2}} - \frac {2 \, {\left (\frac {3 \, {\left (c x + 1\right )}^{2} b d^{2}}{{\left (c x - 1\right )}^{2}} - \frac {3 \, {\left (c x + 1\right )} b d^{2}}{c x - 1} + b d^{2}\right )} \log \left (-\frac {c x + 1}{c x - 1}\right )}{\frac {{\left (c x + 1\right )}^{3} c^{2}}{{\left (c x - 1\right )}^{3}} - \frac {3 \, {\left (c x + 1\right )}^{2} c^{2}}{{\left (c x - 1\right )}^{2}} + \frac {3 \, {\left (c x + 1\right )} c^{2}}{c x - 1} - c^{2}} - \frac {\frac {12 \, {\left (c x + 1\right )}^{2} a d^{2}}{{\left (c x - 1\right )}^{2}} - \frac {12 \, {\left (c x + 1\right )} a d^{2}}{c x - 1} + 4 \, a d^{2} + \frac {4 \, {\left (c x + 1\right )}^{2} b d^{2}}{{\left (c x - 1\right )}^{2}} - \frac {7 \, {\left (c x + 1\right )} b d^{2}}{c x - 1} + 3 \, b d^{2}}{\frac {{\left (c x + 1\right )}^{3} c^{2}}{{\left (c x - 1\right )}^{3}} - \frac {3 \, {\left (c x + 1\right )}^{2} c^{2}}{{\left (c x - 1\right )}^{2}} + \frac {3 \, {\left (c x + 1\right )} c^{2}}{c x - 1} - c^{2}}\right )} c \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.96, size = 105, normalized size = 1.48 \begin {gather*} \frac {d^2\,\left (6\,a\,x+6\,b\,x+6\,b\,x\,\mathrm {atanh}\left (c\,x\right )\right )}{6}+\frac {c^2\,d^2\,\left (2\,a\,x^3+2\,b\,x^3\,\mathrm {atanh}\left (c\,x\right )\right )}{6}-\frac {d^2\,\left (6\,b\,\mathrm {atanh}\left (c\,x\right )-4\,b\,\ln \left (c^2\,x^2-1\right )\right )}{6\,c}+\frac {c\,d^2\,\left (6\,a\,x^2+b\,x^2+6\,b\,x^2\,\mathrm {atanh}\left (c\,x\right )\right )}{6} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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