Optimal. Leaf size=48 \[ \frac {\, _2F_1\left (1,\frac {1+n}{2};\frac {3+n}{2};\tanh ^2(c+d x)\right ) (b \tanh (c+d x))^{1+n}}{b d (1+n)} \]
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Rubi [A]
time = 0.02, antiderivative size = 48, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3557, 371}
\begin {gather*} \frac {(b \tanh (c+d x))^{n+1} \, _2F_1\left (1,\frac {n+1}{2};\frac {n+3}{2};\tanh ^2(c+d x)\right )}{b d (n+1)} \end {gather*}
Antiderivative was successfully verified.
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Rule 371
Rule 3557
Rubi steps
\begin {align*} \int (b \tanh (c+d x))^n \, dx &=-\frac {b \text {Subst}\left (\int \frac {x^n}{-b^2+x^2} \, dx,x,b \tanh (c+d x)\right )}{d}\\ &=\frac {\, _2F_1\left (1,\frac {1+n}{2};\frac {3+n}{2};\tanh ^2(c+d x)\right ) (b \tanh (c+d x))^{1+n}}{b d (1+n)}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 51, normalized size = 1.06 \begin {gather*} \frac {\, _2F_1\left (1,\frac {1+n}{2};1+\frac {1+n}{2};\tanh ^2(c+d x)\right ) \tanh (c+d x) (b \tanh (c+d x))^n}{d (1+n)} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 1.78, size = 0, normalized size = 0.00 \[\int \left (b \tanh \left (d x +c \right )\right )^{n}\, dx\]
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 \left (b \tanh {\left (c + d x \right )}\right )^{n}\, 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 {\left (b\,\mathrm {tanh}\left (c+d\,x\right )\right )}^n \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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