Optimal. Leaf size=104 \[ \frac {i a}{f (c-i d)^2 (c+d \tan (e+f x))}-\frac {a}{2 f (d+i c) (c+d \tan (e+f x))^2}-\frac {a \log (c \cos (e+f x)+d \sin (e+f x))}{f (d+i c)^3}+\frac {a x}{(c-i d)^3} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.25, antiderivative size = 104, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {3529, 3531, 3530} \[ \frac {i a}{f (c-i d)^2 (c+d \tan (e+f x))}-\frac {a}{2 f (d+i c) (c+d \tan (e+f x))^2}-\frac {a \log (c \cos (e+f x)+d \sin (e+f x))}{f (d+i c)^3}+\frac {a x}{(c-i d)^3} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 3529
Rule 3530
Rule 3531
Rubi steps
\begin {align*} \int \frac {a+i a \tan (e+f x)}{(c+d \tan (e+f x))^3} \, dx &=-\frac {a}{2 (i c+d) f (c+d \tan (e+f x))^2}+\frac {\int \frac {a (c+i d)+a (i c-d) \tan (e+f x)}{(c+d \tan (e+f x))^2} \, dx}{c^2+d^2}\\ &=-\frac {a}{2 (i c+d) f (c+d \tan (e+f x))^2}+\frac {i a}{(c-i d)^2 f (c+d \tan (e+f x))}+\frac {\int \frac {a (c+i d)^2+i a (c+i d)^2 \tan (e+f x)}{c+d \tan (e+f x)} \, dx}{\left (c^2+d^2\right )^2}\\ &=\frac {a x}{(c-i d)^3}-\frac {a}{2 (i c+d) f (c+d \tan (e+f x))^2}+\frac {i a}{(c-i d)^2 f (c+d \tan (e+f x))}-\frac {a \int \frac {d-c \tan (e+f x)}{c+d \tan (e+f x)} \, dx}{(i c+d)^3}\\ &=\frac {a x}{(c-i d)^3}-\frac {a \log (c \cos (e+f x)+d \sin (e+f x))}{(i c+d)^3 f}-\frac {a}{2 (i c+d) f (c+d \tan (e+f x))^2}+\frac {i a}{(c-i d)^2 f (c+d \tan (e+f x))}\\ \end {align*}
________________________________________________________________________________________
Mathematica [B] time = 4.22, size = 315, normalized size = 3.03 \[ \frac {\cos (e+f x) (\cos (f x)-i \sin (f x)) (a+i a \tan (e+f x)) \left (-\frac {(\cos (e)-i \sin (e)) \tan ^{-1}\left (\frac {\left (d^3-3 c^2 d\right ) \cos (2 e+f x)+c \left (c^2-3 d^2\right ) \sin (2 e+f x)}{c \left (c^2-3 d^2\right ) \cos (2 e+f x)-d \left (d^2-3 c^2\right ) \sin (2 e+f x)}\right )}{f}+\frac {d^2 (c-i d) (\sin (e)+i \cos (e))}{2 f (c+i d) (c \cos (e+f x)+d \sin (e+f x))^2}+\frac {d (c-i d) (d-2 i c) (\cos (e)-i \sin (e)) \sin (f x)}{f (c+i d) (c \cos (e)+d \sin (e)) (c \cos (e+f x)+d \sin (e+f x))}-\frac {i (\cos (e)-i \sin (e)) \log \left ((c \cos (e+f x)+d \sin (e+f x))^2\right )}{2 f}+2 x (\cos (e)-i \sin (e))\right )}{(c-i d)^3} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [B] time = 0.49, size = 273, normalized size = 2.62 \[ \frac {4 i \, a c d - 2 \, a d^{2} - 4 \, {\left (-i \, a c d - a d^{2}\right )} e^{\left (2 i \, f x + 2 i \, e\right )} + {\left (a c^{2} + 2 i \, a c d - a d^{2} + {\left (a c^{2} - 2 i \, a c d - a d^{2}\right )} e^{\left (4 i \, f x + 4 i \, e\right )} + 2 \, {\left (a c^{2} + a d^{2}\right )} e^{\left (2 i \, f x + 2 i \, e\right )}\right )} \log \left (\frac {{\left (i \, c + d\right )} e^{\left (2 i \, f x + 2 i \, e\right )} + i \, c - d}{i \, c + d}\right )}{{\left (i \, c^{5} + 5 \, c^{4} d - 10 i \, c^{3} d^{2} - 10 \, c^{2} d^{3} + 5 i \, c d^{4} + d^{5}\right )} f e^{\left (4 i \, f x + 4 i \, e\right )} + {\left (2 i \, c^{5} + 6 \, c^{4} d - 4 i \, c^{3} d^{2} + 4 \, c^{2} d^{3} - 6 i \, c d^{4} - 2 \, d^{5}\right )} f e^{\left (2 i \, f x + 2 i \, e\right )} + {\left (i \, c^{5} + c^{4} d + 2 i \, c^{3} d^{2} + 2 \, c^{2} d^{3} + i \, c d^{4} + d^{5}\right )} f} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [B] time = 0.83, size = 364, normalized size = 3.50 \[ \frac {2 \, {\left (\frac {a \log \left (c \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} - 2 \, d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) - c\right )}{2 i \, c^{3} + 6 \, c^{2} d - 6 i \, c d^{2} - 2 \, d^{3}} - \frac {a \log \left (-i \, \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 1\right )}{i \, c^{3} + 3 \, c^{2} d - 3 i \, c d^{2} - d^{3}} + \frac {3 \, a c^{4} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{4} - 4 \, a c^{3} d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 12 i \, a c^{2} d^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 4 \, a c d^{3} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 6 \, a c^{4} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 16 i \, a c d^{3} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 4 \, a d^{4} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 4 \, a c^{3} d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 12 i \, a c^{2} d^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 4 \, a c d^{3} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 3 \, a c^{4}}{{\left (-4 i \, c^{5} - 12 \, c^{4} d + 12 i \, c^{3} d^{2} + 4 \, c^{2} d^{3}\right )} {\left (c \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} - 2 \, d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) - c\right )}^{2}}\right )}}{f} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [B] time = 0.27, size = 493, normalized size = 4.74 \[ \frac {3 i a \arctan \left (\tan \left (f x +e \right )\right ) c^{2} d}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {i a \arctan \left (\tan \left (f x +e \right )\right ) d^{3}}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {2 a c d}{f \left (c^{2}+d^{2}\right )^{2} \left (c +d \tan \left (f x +e \right )\right )}-\frac {i a \ln \left (c +d \tan \left (f x +e \right )\right ) c^{3}}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {a d}{2 f \left (c^{2}+d^{2}\right ) \left (c +d \tan \left (f x +e \right )\right )^{2}}+\frac {i a \ln \left (1+\tan ^{2}\left (f x +e \right )\right ) c^{3}}{2 f \left (c^{2}+d^{2}\right )^{3}}-\frac {3 i a \ln \left (1+\tan ^{2}\left (f x +e \right )\right ) c \,d^{2}}{2 f \left (c^{2}+d^{2}\right )^{3}}+\frac {3 a \ln \left (c +d \tan \left (f x +e \right )\right ) c^{2} d}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {a \ln \left (c +d \tan \left (f x +e \right )\right ) d^{3}}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {3 a \ln \left (1+\tan ^{2}\left (f x +e \right )\right ) c^{2} d}{2 f \left (c^{2}+d^{2}\right )^{3}}+\frac {a \ln \left (1+\tan ^{2}\left (f x +e \right )\right ) d^{3}}{2 f \left (c^{2}+d^{2}\right )^{3}}-\frac {i a \,d^{2}}{f \left (c^{2}+d^{2}\right )^{2} \left (c +d \tan \left (f x +e \right )\right )}+\frac {i a \,c^{2}}{f \left (c^{2}+d^{2}\right )^{2} \left (c +d \tan \left (f x +e \right )\right )}+\frac {3 i a \ln \left (c +d \tan \left (f x +e \right )\right ) c \,d^{2}}{f \left (c^{2}+d^{2}\right )^{3}}+\frac {i a c}{2 f \left (c^{2}+d^{2}\right ) \left (c +d \tan \left (f x +e \right )\right )^{2}}+\frac {a \arctan \left (\tan \left (f x +e \right )\right ) c^{3}}{f \left (c^{2}+d^{2}\right )^{3}}-\frac {3 a \arctan \left (\tan \left (f x +e \right )\right ) c \,d^{2}}{f \left (c^{2}+d^{2}\right )^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [B] time = 0.43, size = 325, normalized size = 3.12 \[ \frac {\frac {2 \, {\left (a c^{3} + 3 i \, a c^{2} d - 3 \, a c d^{2} - i \, a d^{3}\right )} {\left (f x + e\right )}}{c^{6} + 3 \, c^{4} d^{2} + 3 \, c^{2} d^{4} + d^{6}} + \frac {2 \, {\left (-i \, a c^{3} + 3 \, a c^{2} d + 3 i \, a c d^{2} - a d^{3}\right )} \log \left (d \tan \left (f x + e\right ) + c\right )}{c^{6} + 3 \, c^{4} d^{2} + 3 \, c^{2} d^{4} + d^{6}} + \frac {{\left (i \, a c^{3} - 3 \, a c^{2} d - 3 i \, a c d^{2} + a d^{3}\right )} \log \left (\tan \left (f x + e\right )^{2} + 1\right )}{c^{6} + 3 \, c^{4} d^{2} + 3 \, c^{2} d^{4} + d^{6}} + \frac {3 i \, a c^{3} - 5 \, a c^{2} d - i \, a c d^{2} - a d^{3} - {\left (-2 i \, a c^{2} d + 4 \, a c d^{2} + 2 i \, a d^{3}\right )} \tan \left (f x + e\right )}{c^{6} + 2 \, c^{4} d^{2} + c^{2} d^{4} + {\left (c^{4} d^{2} + 2 \, c^{2} d^{4} + d^{6}\right )} \tan \left (f x + e\right )^{2} + 2 \, {\left (c^{5} d + 2 \, c^{3} d^{3} + c d^{5}\right )} \tan \left (f x + e\right )}}{2 \, f} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 5.37, size = 281, normalized size = 2.70 \[ -\frac {\frac {\left (3\,a\,c-a\,d\,1{}\mathrm {i}\right )\,1{}\mathrm {i}}{2\,d^2\,\left (-c^2+c\,d\,2{}\mathrm {i}+d^2\right )}+\frac {a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}}{d\,\left (-c^2+c\,d\,2{}\mathrm {i}+d^2\right )}}{f\,\left ({\mathrm {tan}\left (e+f\,x\right )}^2+\frac {c^2}{d^2}+\frac {2\,c\,\mathrm {tan}\left (e+f\,x\right )}{d}\right )}+\frac {a\,\mathrm {atan}\left (\frac {c^3-c^2\,d\,1{}\mathrm {i}+c\,d^2-d^3\,1{}\mathrm {i}}{{\left (c-d\,1{}\mathrm {i}\right )}^2\,\left (d+c\,1{}\mathrm {i}\right )}-\frac {\mathrm {tan}\left (e+f\,x\right )\,\left (2\,c^8\,d^2+8\,c^6\,d^4+12\,c^4\,d^6+8\,c^2\,d^8+2\,d^{10}\right )\,1{}\mathrm {i}}{{\left (c-d\,1{}\mathrm {i}\right )}^2\,\left (d+c\,1{}\mathrm {i}\right )\,\left (-c^6\,d\,1{}\mathrm {i}+2\,c^5\,d^2-c^4\,d^3\,1{}\mathrm {i}+4\,c^3\,d^4+c^2\,d^5\,1{}\mathrm {i}+2\,c\,d^6+d^7\,1{}\mathrm {i}\right )}\right )\,2{}\mathrm {i}}{f\,{\left (c-d\,1{}\mathrm {i}\right )}^2\,\left (d+c\,1{}\mathrm {i}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [B] time = 8.24, size = 355, normalized size = 3.41 \[ - \frac {i a \log {\left (\frac {- i c + d}{- i c e^{2 i e} - d e^{2 i e}} + e^{2 i f x} \right )}}{f \left (c - i d\right )^{3}} + \frac {4 i a c d - 2 a d^{2} + \left (4 i a c d e^{2 i e} + 4 a d^{2} e^{2 i e}\right ) e^{2 i f x}}{i c^{5} f + c^{4} d f + 2 i c^{3} d^{2} f + 2 c^{2} d^{3} f + i c d^{4} f + d^{5} f + \left (2 i c^{5} f e^{2 i e} + 6 c^{4} d f e^{2 i e} - 4 i c^{3} d^{2} f e^{2 i e} + 4 c^{2} d^{3} f e^{2 i e} - 6 i c d^{4} f e^{2 i e} - 2 d^{5} f e^{2 i e}\right ) e^{2 i f x} + \left (i c^{5} f e^{4 i e} + 5 c^{4} d f e^{4 i e} - 10 i c^{3} d^{2} f e^{4 i e} - 10 c^{2} d^{3} f e^{4 i e} + 5 i c d^{4} f e^{4 i e} + d^{5} f e^{4 i e}\right ) e^{4 i f x}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________