Optimal. Leaf size=73 \[ a^3 x+\frac {b \left (6 a^2+b^2\right ) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac {5 a b^2 \tan (c+d x)}{2 d}+\frac {b^2 (a+b \sec (c+d x)) \tan (c+d x)}{2 d} \]
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Rubi [A]
time = 0.04, antiderivative size = 73, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {3867, 3855,
3852, 8} \begin {gather*} a^3 x+\frac {b \left (6 a^2+b^2\right ) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac {5 a b^2 \tan (c+d x)}{2 d}+\frac {b^2 \tan (c+d x) (a+b \sec (c+d x))}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Rule 8
Rule 3852
Rule 3855
Rule 3867
Rubi steps
\begin {align*} \int (a+b \sec (c+d x))^3 \, dx &=\frac {b^2 (a+b \sec (c+d x)) \tan (c+d x)}{2 d}+\frac {1}{2} \int \left (2 a^3+b \left (6 a^2+b^2\right ) \sec (c+d x)+5 a b^2 \sec ^2(c+d x)\right ) \, dx\\ &=a^3 x+\frac {b^2 (a+b \sec (c+d x)) \tan (c+d x)}{2 d}+\frac {1}{2} \left (5 a b^2\right ) \int \sec ^2(c+d x) \, dx+\frac {1}{2} \left (b \left (6 a^2+b^2\right )\right ) \int \sec (c+d x) \, dx\\ &=a^3 x+\frac {b \left (6 a^2+b^2\right ) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac {b^2 (a+b \sec (c+d x)) \tan (c+d x)}{2 d}-\frac {\left (5 a b^2\right ) \text {Subst}(\int 1 \, dx,x,-\tan (c+d x))}{2 d}\\ &=a^3 x+\frac {b \left (6 a^2+b^2\right ) \tanh ^{-1}(\sin (c+d x))}{2 d}+\frac {5 a b^2 \tan (c+d x)}{2 d}+\frac {b^2 (a+b \sec (c+d x)) \tan (c+d x)}{2 d}\\ \end {align*}
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Mathematica [A]
time = 0.17, size = 55, normalized size = 0.75 \begin {gather*} \frac {2 a^3 d x+b \left (6 a^2+b^2\right ) \tanh ^{-1}(\sin (c+d x))+b^2 (6 a+b \sec (c+d x)) \tan (c+d x)}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.06, size = 82, normalized size = 1.12
method | result | size |
derivativedivides | \(\frac {a^{3} \left (d x +c \right )+3 b \,a^{2} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+3 b^{2} a \tan \left (d x +c \right )+b^{3} \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )}{d}\) | \(82\) |
default | \(\frac {a^{3} \left (d x +c \right )+3 b \,a^{2} \ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )+3 b^{2} a \tan \left (d x +c \right )+b^{3} \left (\frac {\sec \left (d x +c \right ) \tan \left (d x +c \right )}{2}+\frac {\ln \left (\sec \left (d x +c \right )+\tan \left (d x +c \right )\right )}{2}\right )}{d}\) | \(82\) |
risch | \(a^{3} x -\frac {i b^{2} \left (b \,{\mathrm e}^{3 i \left (d x +c \right )}-6 a \,{\mathrm e}^{2 i \left (d x +c \right )}-b \,{\mathrm e}^{i \left (d x +c \right )}-6 a \right )}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{2}}-\frac {3 b \ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right ) a^{2}}{d}-\frac {b^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right )}{2 d}+\frac {3 b \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right ) a^{2}}{d}+\frac {b^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )}{2 d}\) | \(154\) |
norman | \(\frac {a^{3} x +a^{3} x \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\frac {b^{2} \left (b +6 a \right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{d}-2 a^{3} x \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-\frac {b^{2} \left (6 a -b \right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{d}}{\left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{2}}-\frac {b \left (6 a^{2}+b^{2}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )}{2 d}+\frac {b \left (6 a^{2}+b^{2}\right ) \ln \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )+1\right )}{2 d}\) | \(158\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 93, normalized size = 1.27 \begin {gather*} a^{3} x - \frac {b^{3} {\left (\frac {2 \, \sin \left (d x + c\right )}{\sin \left (d x + c\right )^{2} - 1} - \log \left (\sin \left (d x + c\right ) + 1\right ) + \log \left (\sin \left (d x + c\right ) - 1\right )\right )}}{4 \, d} + \frac {3 \, a^{2} b \log \left (\sec \left (d x + c\right ) + \tan \left (d x + c\right )\right )}{d} + \frac {3 \, a b^{2} \tan \left (d x + c\right )}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.75, size = 112, normalized size = 1.53 \begin {gather*} \frac {4 \, a^{3} d x \cos \left (d x + c\right )^{2} + {\left (6 \, a^{2} b + b^{3}\right )} \cos \left (d x + c\right )^{2} \log \left (\sin \left (d x + c\right ) + 1\right ) - {\left (6 \, a^{2} b + b^{3}\right )} \cos \left (d x + c\right )^{2} \log \left (-\sin \left (d x + c\right ) + 1\right ) + 2 \, {\left (6 \, a b^{2} \cos \left (d x + c\right ) + b^{3}\right )} \sin \left (d x + c\right )}{4 \, d \cos \left (d x + c\right )^{2}} \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 (a + b \sec {\left (c + d x \right )}\right )^{3}\, dx \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. 145 vs.
\(2 (67) = 134\).
time = 0.44, size = 145, normalized size = 1.99 \begin {gather*} \frac {2 \, {\left (d x + c\right )} a^{3} + {\left (6 \, a^{2} b + b^{3}\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 1 \right |}\right ) - {\left (6 \, a^{2} b + b^{3}\right )} \log \left ({\left | \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 1 \right |}\right ) - \frac {2 \, {\left (6 \, a b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 6 \, a b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 1\right )}^{2}}}{2 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.95, size = 136, normalized size = 1.86 \begin {gather*} \frac {2\,a^3\,\mathrm {atan}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {b^3\,\mathrm {atanh}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {b^3\,\sin \left (c+d\,x\right )}{2\,d\,{\cos \left (c+d\,x\right )}^2}+\frac {6\,a^2\,b\,\mathrm {atanh}\left (\frac {\sin \left (\frac {c}{2}+\frac {d\,x}{2}\right )}{\cos \left (\frac {c}{2}+\frac {d\,x}{2}\right )}\right )}{d}+\frac {3\,a\,b^2\,\sin \left (c+d\,x\right )}{d\,\cos \left (c+d\,x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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