Integrand size = 16, antiderivative size = 194 \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\frac {3 (b c-a d) \cos \left (\frac {b}{d}\right ) \operatorname {CosIntegral}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 (b c-a d) \cos \left (\frac {3 b}{d}\right ) \operatorname {CosIntegral}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2}+\frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d}+\frac {3 (b c-a d) \sin \left (\frac {b}{d}\right ) \text {Si}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 (b c-a d) \sin \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2} \]
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Time = 0.38 (sec) , antiderivative size = 194, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.312, Rules used = {4659, 3394, 3384, 3380, 3383} \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\frac {3 \cos \left (\frac {b}{d}\right ) (b c-a d) \operatorname {CosIntegral}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 \cos \left (\frac {3 b}{d}\right ) (b c-a d) \operatorname {CosIntegral}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2}+\frac {3 \sin \left (\frac {b}{d}\right ) (b c-a d) \text {Si}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 \sin \left (\frac {3 b}{d}\right ) (b c-a d) \text {Si}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2}+\frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d} \]
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Rule 3380
Rule 3383
Rule 3384
Rule 3394
Rule 4659
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int \frac {\sin ^3\left (\frac {b}{d}-\frac {(b c-a d) x}{d}\right )}{x^2} \, dx,x,\frac {1}{c+d x}\right )}{d} \\ & = \frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d}+\frac {(3 (b c-a d)) \text {Subst}\left (\int \left (-\frac {\cos \left (\frac {3 b}{d}-\frac {3 (b c-a d) x}{d}\right )}{4 x}+\frac {\cos \left (\frac {b}{d}-\frac {(b c-a d) x}{d}\right )}{4 x}\right ) \, dx,x,\frac {1}{c+d x}\right )}{d^2} \\ & = \frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d}-\frac {(3 (b c-a d)) \text {Subst}\left (\int \frac {\cos \left (\frac {3 b}{d}-\frac {3 (b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2}+\frac {(3 (b c-a d)) \text {Subst}\left (\int \frac {\cos \left (\frac {b}{d}-\frac {(b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2} \\ & = \frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d}+\frac {\left (3 (b c-a d) \cos \left (\frac {b}{d}\right )\right ) \text {Subst}\left (\int \frac {\cos \left (\frac {(b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2}-\frac {\left (3 (b c-a d) \cos \left (\frac {3 b}{d}\right )\right ) \text {Subst}\left (\int \frac {\cos \left (\frac {3 (b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2}+\frac {\left (3 (b c-a d) \sin \left (\frac {b}{d}\right )\right ) \text {Subst}\left (\int \frac {\sin \left (\frac {(b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2}-\frac {\left (3 (b c-a d) \sin \left (\frac {3 b}{d}\right )\right ) \text {Subst}\left (\int \frac {\sin \left (\frac {3 (b c-a d) x}{d}\right )}{x} \, dx,x,\frac {1}{c+d x}\right )}{4 d^2} \\ & = \frac {3 (b c-a d) \cos \left (\frac {b}{d}\right ) \operatorname {CosIntegral}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 (b c-a d) \cos \left (\frac {3 b}{d}\right ) \operatorname {CosIntegral}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2}+\frac {(c+d x) \sin ^3\left (\frac {a+b x}{c+d x}\right )}{d}+\frac {3 (b c-a d) \sin \left (\frac {b}{d}\right ) \text {Si}\left (\frac {b c-a d}{d (c+d x)}\right )}{4 d^2}-\frac {3 (b c-a d) \sin \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 (b c-a d)}{d (c+d x)}\right )}{4 d^2} \\ \end{align*}
Result contains complex when optimal does not.
Time = 7.78 (sec) , antiderivative size = 692, normalized size of antiderivative = 3.57 \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\frac {3 i c d e^{-\frac {i (a+b x)}{c+d x}}-3 i c d e^{\frac {i (a+b x)}{c+d x}}-i c d e^{-\frac {3 i (a+b x)}{c+d x}}+i c d e^{\frac {3 i (a+b x)}{c+d x}}+6 d^2 x \cos \left (\frac {-b c+a d}{d (c+d x)}\right ) \sin \left (\frac {b}{d}\right )-2 d^2 x \cos \left (\frac {3 (-b c+a d)}{d (c+d x)}\right ) \sin \left (\frac {3 b}{d}\right )+6 d^2 x \cos \left (\frac {b}{d}\right ) \sin \left (\frac {-b c+a d}{d (c+d x)}\right )-2 d^2 x \cos \left (\frac {3 b}{d}\right ) \sin \left (\frac {3 (-b c+a d)}{d (c+d x)}\right )+3 (b c-a d) \left (-\cos \left (\frac {3 b}{d}\right ) \operatorname {CosIntegral}\left (\frac {3 b c-3 a d}{c d+d^2 x}\right )+\cos \left (\frac {b}{d}\right ) \operatorname {CosIntegral}\left (\frac {b c-a d}{c d+d^2 x}\right )+\operatorname {CosIntegral}\left (\frac {-b c+a d}{d (c+d x)}\right ) \left (\cos \left (\frac {b}{d}\right )-i \sin \left (\frac {b}{d}\right )\right )+i \operatorname {CosIntegral}\left (\frac {b c-a d}{c d+d^2 x}\right ) \sin \left (\frac {b}{d}\right )-\operatorname {CosIntegral}\left (\frac {3 (-b c+a d)}{d (c+d x)}\right ) \left (\cos \left (\frac {3 b}{d}\right )-i \sin \left (\frac {3 b}{d}\right )\right )-i \operatorname {CosIntegral}\left (\frac {3 b c-3 a d}{c d+d^2 x}\right ) \sin \left (\frac {3 b}{d}\right )+i \cos \left (\frac {b}{d}\right ) \text {Si}\left (\frac {-b c+a d}{d (c+d x)}\right )-\sin \left (\frac {b}{d}\right ) \text {Si}\left (\frac {-b c+a d}{d (c+d x)}\right )-i \cos \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 (-b c+a d)}{d (c+d x)}\right )+\sin \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 (-b c+a d)}{d (c+d x)}\right )-i \cos \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 b c-3 a d}{c d+d^2 x}\right )-\sin \left (\frac {3 b}{d}\right ) \text {Si}\left (\frac {3 b c-3 a d}{c d+d^2 x}\right )+i \cos \left (\frac {b}{d}\right ) \text {Si}\left (\frac {b c-a d}{c d+d^2 x}\right )+\sin \left (\frac {b}{d}\right ) \text {Si}\left (\frac {b c-a d}{c d+d^2 x}\right )\right )}{8 d^2} \]
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Time = 1.73 (sec) , antiderivative size = 295, normalized size of antiderivative = 1.52
method | result | size |
derivativedivides | \(-\frac {\left (a d -c b \right ) \left (-\frac {d^{2} \left (-\frac {3 \sin \left (\frac {3 a d -3 c b}{d \left (d x +c \right )}+\frac {3 b}{d}\right )}{\left (\left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right ) d -b \right ) d}+\frac {-\frac {9 \,\operatorname {Si}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) \sin \left (\frac {3 b}{d}\right )}{d}+\frac {9 \,\operatorname {Ci}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) \cos \left (\frac {3 b}{d}\right )}{d}}{d}\right )}{12}+\frac {3 d^{2} \left (-\frac {\sin \left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right )}{\left (\left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right ) d -b \right ) d}+\frac {-\frac {\operatorname {Si}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \sin \left (\frac {b}{d}\right )}{d}+\frac {\operatorname {Ci}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \cos \left (\frac {b}{d}\right )}{d}}{d}\right )}{4}\right )}{d^{2}}\) | \(295\) |
default | \(-\frac {\left (a d -c b \right ) \left (-\frac {d^{2} \left (-\frac {3 \sin \left (\frac {3 a d -3 c b}{d \left (d x +c \right )}+\frac {3 b}{d}\right )}{\left (\left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right ) d -b \right ) d}+\frac {-\frac {9 \,\operatorname {Si}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) \sin \left (\frac {3 b}{d}\right )}{d}+\frac {9 \,\operatorname {Ci}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) \cos \left (\frac {3 b}{d}\right )}{d}}{d}\right )}{12}+\frac {3 d^{2} \left (-\frac {\sin \left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right )}{\left (\left (\frac {b}{d}+\frac {a d -c b}{d \left (d x +c \right )}\right ) d -b \right ) d}+\frac {-\frac {\operatorname {Si}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \sin \left (\frac {b}{d}\right )}{d}+\frac {\operatorname {Ci}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \cos \left (\frac {b}{d}\right )}{d}}{d}\right )}{4}\right )}{d^{2}}\) | \(295\) |
risch | \(-\frac {3 i {\mathrm e}^{-\frac {i b}{d}} \operatorname {Si}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) b c}{4 d^{2}}-\frac {3 i {\mathrm e}^{-\frac {i b}{d}} \pi \,\operatorname {csgn}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) a}{8 d}+\frac {3 i {\mathrm e}^{-\frac {i b}{d}} \operatorname {Si}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) a}{4 d}+\frac {3 i {\mathrm e}^{-\frac {i b}{d}} \pi \,\operatorname {csgn}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) b c}{8 d^{2}}-\frac {3 \,{\mathrm e}^{-\frac {3 i b}{d}} \operatorname {Ei}_{1}\left (-\frac {3 i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) a}{8 d}+\frac {3 \,{\mathrm e}^{-\frac {3 i b}{d}} \operatorname {Ei}_{1}\left (-\frac {3 i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) b c}{8 d^{2}}-\frac {3 \,\operatorname {Ei}_{1}\left (-\frac {3 i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) {\mathrm e}^{\frac {3 i b}{d}} a}{8 d}+\frac {3 \,\operatorname {Ei}_{1}\left (-\frac {3 i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) {\mathrm e}^{\frac {3 i b}{d}} c b}{8 d^{2}}+\frac {3 \,\operatorname {Ei}_{1}\left (-\frac {i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) {\mathrm e}^{\frac {i b}{d}} a}{8 d}-\frac {3 \,\operatorname {Ei}_{1}\left (-\frac {i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) {\mathrm e}^{\frac {i b}{d}} c b}{8 d^{2}}-\frac {3 i {\mathrm e}^{-\frac {3 i b}{d}} \operatorname {csgn}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \pi b c}{8 d^{2}}-\frac {3 i {\mathrm e}^{-\frac {3 i b}{d}} \operatorname {Si}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) a}{4 d}+\frac {3 i {\mathrm e}^{-\frac {3 i b}{d}} \operatorname {csgn}\left (\frac {a d -c b}{d \left (d x +c \right )}\right ) \pi a}{8 d}+\frac {3 i {\mathrm e}^{-\frac {3 i b}{d}} \operatorname {Si}\left (\frac {3 a d -3 c b}{d \left (d x +c \right )}\right ) b c}{4 d^{2}}+\frac {3 \,{\mathrm e}^{-\frac {i b}{d}} \operatorname {Ei}_{1}\left (-\frac {i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) a}{8 d}-\frac {3 \,{\mathrm e}^{-\frac {i b}{d}} \operatorname {Ei}_{1}\left (-\frac {i \left (a d -c b \right )}{d \left (d x +c \right )}\right ) b c}{8 d^{2}}+\frac {3 \sin \left (\frac {x b +a}{d x +c}\right ) x}{4}+\frac {3 \sin \left (\frac {x b +a}{d x +c}\right ) c}{4 d}-\frac {\sin \left (\frac {3 x b +3 a}{d x +c}\right ) x}{4}-\frac {\sin \left (\frac {3 x b +3 a}{d x +c}\right ) c}{4 d}\) | \(668\) |
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Time = 0.28 (sec) , antiderivative size = 212, normalized size of antiderivative = 1.09 \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\frac {3 \, {\left (b c - a d\right )} \cos \left (\frac {b}{d}\right ) \operatorname {Ci}\left (-\frac {b c - a d}{d^{2} x + c d}\right ) - 3 \, {\left (b c - a d\right )} \cos \left (\frac {3 \, b}{d}\right ) \operatorname {Ci}\left (-\frac {3 \, {\left (b c - a d\right )}}{d^{2} x + c d}\right ) - 3 \, {\left (b c - a d\right )} \sin \left (\frac {b}{d}\right ) \operatorname {Si}\left (-\frac {b c - a d}{d^{2} x + c d}\right ) + 3 \, {\left (b c - a d\right )} \sin \left (\frac {3 \, b}{d}\right ) \operatorname {Si}\left (-\frac {3 \, {\left (b c - a d\right )}}{d^{2} x + c d}\right ) + 4 \, {\left (d^{2} x - {\left (d^{2} x + c d\right )} \cos \left (\frac {b x + a}{d x + c}\right )^{2} + c d\right )} \sin \left (\frac {b x + a}{d x + c}\right )}{4 \, d^{2}} \]
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Timed out. \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\text {Timed out} \]
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\[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\int { \sin \left (\frac {b x + a}{d x + c}\right )^{3} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 1239 vs. \(2 (186) = 372\).
Time = 66.42 (sec) , antiderivative size = 1239, normalized size of antiderivative = 6.39 \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\text {Too large to display} \]
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Timed out. \[ \int \sin ^3\left (\frac {a+b x}{c+d x}\right ) \, dx=\int {\sin \left (\frac {a+b\,x}{c+d\,x}\right )}^3 \,d x \]
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