Optimal. Leaf size=214 \[ -\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}+\frac {(b d+2 a c f+2 a d f x)^2}{4 a (a+i b) \left (a^2+b^2\right ) d f^2}+\frac {b (b d+2 a c f+2 a d f x) \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {i a b d \text {PolyLog}\left (2,-\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))} \]
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Rubi [A]
time = 0.19, antiderivative size = 214, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {3814, 3813,
2221, 2317, 2438} \begin {gather*} \frac {b (2 a c f+2 a d f x+b d) \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{f^2 \left (a^2+b^2\right )^2}-\frac {b (c+d x)}{f \left (a^2+b^2\right ) (a+b \tan (e+f x))}+\frac {(2 a c f+2 a d f x+b d)^2}{4 a d f^2 (a+i b) \left (a^2+b^2\right )}-\frac {(c+d x)^2}{2 d \left (a^2+b^2\right )}-\frac {i a b d \text {Li}_2\left (-\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{f^2 \left (a^2+b^2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 2221
Rule 2317
Rule 2438
Rule 3813
Rule 3814
Rubi steps
\begin {align*} \int \frac {c+d x}{(a+b \tan (e+f x))^2} \, dx &=-\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))}+\frac {\int \frac {b d+2 a c f+2 a d f x}{a+b \tan (e+f x)} \, dx}{\left (a^2+b^2\right ) f}\\ &=-\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}+\frac {(b d+2 a c f+2 a d f x)^2}{4 a (a+i b) \left (a^2+b^2\right ) d f^2}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))}+\frac {(2 i b) \int \frac {e^{2 i (e+f x)} (b d+2 a c f+2 a d f x)}{(a+i b)^2+\left (a^2+b^2\right ) e^{2 i (e+f x)}} \, dx}{\left (a^2+b^2\right ) f}\\ &=-\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}+\frac {(b d+2 a c f+2 a d f x)^2}{4 a (a+i b) \left (a^2+b^2\right ) d f^2}+\frac {b (b d+2 a c f+2 a d f x) \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))}-\frac {(2 a b d) \int \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right ) \, dx}{\left (a^2+b^2\right )^2 f}\\ &=-\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}+\frac {(b d+2 a c f+2 a d f x)^2}{4 a (a+i b) \left (a^2+b^2\right ) d f^2}+\frac {b (b d+2 a c f+2 a d f x) \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))}+\frac {(i a b d) \text {Subst}\left (\int \frac {\log \left (1+\frac {\left (a^2+b^2\right ) x}{(a+i b)^2}\right )}{x} \, dx,x,e^{2 i (e+f x)}\right )}{\left (a^2+b^2\right )^2 f^2}\\ &=-\frac {(c+d x)^2}{2 \left (a^2+b^2\right ) d}+\frac {(b d+2 a c f+2 a d f x)^2}{4 a (a+i b) \left (a^2+b^2\right ) d f^2}+\frac {b (b d+2 a c f+2 a d f x) \log \left (1+\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {i a b d \text {Li}_2\left (-\frac {\left (a^2+b^2\right ) e^{2 i (e+f x)}}{(a+i b)^2}\right )}{\left (a^2+b^2\right )^2 f^2}-\frac {b (c+d x)}{\left (a^2+b^2\right ) f (a+b \tan (e+f x))}\\ \end {align*}
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Mathematica [B] Both result and optimal contain complex but leaf count is larger than twice
the leaf count of optimal. \(745\) vs. \(2(214)=428\).
time = 6.87, size = 745, normalized size = 3.48 \begin {gather*} \frac {(e+f x) (-2 d e+2 c f+d (e+f x)) \sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x))^2}{2 (a-i b) (a+i b) f^2 (a+b \tan (e+f x))^2}+\frac {b^2 d (-b (e+f x)+a \log (a \cos (e+f x)+b \sin (e+f x))) \sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x))^2}{a (a-i b) (a+i b) \left (a^2+b^2\right ) f^2 (a+b \tan (e+f x))^2}-\frac {2 b d e (-b (e+f x)+a \log (a \cos (e+f x)+b \sin (e+f x))) \sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x))^2}{(a-i b) (a+i b) \left (a^2+b^2\right ) f^2 (a+b \tan (e+f x))^2}+\frac {2 b c (-b (e+f x)+a \log (a \cos (e+f x)+b \sin (e+f x))) \sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x))^2}{(a-i b) (a+i b) \left (a^2+b^2\right ) f (a+b \tan (e+f x))^2}-\frac {d \left (e^{i \text {ArcTan}\left (\frac {a}{b}\right )} (e+f x)^2+\frac {a \left (i (e+f x) \left (-\pi +2 \text {ArcTan}\left (\frac {a}{b}\right )\right )-\pi \log \left (1+e^{-2 i (e+f x)}\right )-2 \left (e+f x+\text {ArcTan}\left (\frac {a}{b}\right )\right ) \log \left (1-e^{2 i \left (e+f x+\text {ArcTan}\left (\frac {a}{b}\right )\right )}\right )+\pi \log (\cos (e+f x))+2 \text {ArcTan}\left (\frac {a}{b}\right ) \log \left (\sin \left (e+f x+\text {ArcTan}\left (\frac {a}{b}\right )\right )\right )+i \text {PolyLog}\left (2,e^{2 i \left (e+f x+\text {ArcTan}\left (\frac {a}{b}\right )\right )}\right )\right )}{\sqrt {1+\frac {a^2}{b^2}} b}\right ) \sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x))^2}{(a-i b) (a+i b) \sqrt {\frac {a^2+b^2}{b^2}} f^2 (a+b \tan (e+f x))^2}+\frac {\sec ^2(e+f x) (a \cos (e+f x)+b \sin (e+f x)) \left (-b^2 d e \sin (e+f x)+b^2 c f \sin (e+f x)+b^2 d (e+f x) \sin (e+f x)\right )}{a (a-i b) (a+i b) f^2 (a+b \tan (e+f x))^2} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 998 vs. \(2 (202 ) = 404\).
time = 0.52, size = 999, normalized size = 4.67
method | result | size |
risch | \(-\frac {d \,x^{2}}{2 \left (2 i a b -a^{2}+b^{2}\right )}-\frac {c x}{2 i a b -a^{2}+b^{2}}-\frac {2 i b^{2} d \ln \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right )}+\frac {4 i b a d e \ln \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right )}+\frac {2 i b \,a^{2} d e \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}-\frac {b^{3} d \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}-\frac {2 i b \,a^{2} c \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right )}{\left (i a +b \right )^{2} f \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}-\frac {4 i b a c \ln \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{\left (i a +b \right )^{2} f \left (-i a +b \right ) \left (i b +a \right )}-\frac {2 b^{2} a c \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right )}{\left (i a +b \right )^{2} f \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}+\frac {2 i b a d \ln \left (1-\frac {\left (i b -a \right ) {\mathrm e}^{2 i \left (f x +e \right )}}{i b +a}\right ) x}{\left (i a +b \right )^{2} f \left (-i a +b \right ) \left (i b +a \right )}-\frac {2 i b^{2} \left (d x +c \right )}{\left (-i a +b \right ) f \left (i a +b \right )^{2} \left (b \,{\mathrm e}^{2 i \left (f x +e \right )}+i a \,{\mathrm e}^{2 i \left (f x +e \right )}-b +i a \right )}+\frac {2 b^{2} a d e \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}-\frac {i b^{2} d \ln \left (i {\mathrm e}^{2 i \left (f x +e \right )} b -a \,{\mathrm e}^{2 i \left (f x +e \right )}-i b -a \right ) a}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right ) \left (i b -a \right )}+\frac {2 i b a d \ln \left (1-\frac {\left (i b -a \right ) {\mathrm e}^{2 i \left (f x +e \right )}}{i b +a}\right ) e}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right )}+\frac {2 b a d \,x^{2}}{\left (i a +b \right )^{2} \left (-i a +b \right ) \left (i b +a \right )}+\frac {4 b a d e x}{\left (i a +b \right )^{2} f \left (-i a +b \right ) \left (i b +a \right )}+\frac {2 b a d \,e^{2}}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right )}+\frac {b a d \polylog \left (2, \frac {\left (i b -a \right ) {\mathrm e}^{2 i \left (f x +e \right )}}{i b +a}\right )}{\left (i a +b \right )^{2} f^{2} \left (-i a +b \right ) \left (i b +a \right )}\) | \(999\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Both result and optimal contain complex but leaf count of result is larger than
twice the leaf count of optimal. 1193 vs. \(2 (200) = 400\).
time = 0.88, size = 1193, normalized size = 5.57 \begin {gather*} \frac {{\left (a^{3} - i \, a^{2} b + a b^{2} - i \, b^{3}\right )} d f^{2} x^{2} + 2 \, {\left (a^{3} - i \, a^{2} b + a b^{2} - i \, b^{3}\right )} c f^{2} x - 4 \, {\left (-i \, a b^{2} + b^{3}\right )} c f - 2 \, {\left (2 \, {\left (-i \, a^{2} b + a b^{2}\right )} c f + {\left (-i \, a b^{2} + b^{3}\right )} d + {\left (2 \, {\left (-i \, a^{2} b - a b^{2}\right )} c f + {\left (-i \, a b^{2} - b^{3}\right )} d\right )} \cos \left (2 \, f x + 2 \, e\right ) + {\left (2 \, {\left (a^{2} b - i \, a b^{2}\right )} c f + {\left (a b^{2} - i \, b^{3}\right )} d\right )} \sin \left (2 \, f x + 2 \, e\right )\right )} \arctan \left (-b \cos \left (2 \, f x + 2 \, e\right ) + a \sin \left (2 \, f x + 2 \, e\right ) + b, a \cos \left (2 \, f x + 2 \, e\right ) + b \sin \left (2 \, f x + 2 \, e\right ) + a\right ) - 4 \, {\left ({\left (i \, a^{2} b + a b^{2}\right )} d f x \cos \left (2 \, f x + 2 \, e\right ) - {\left (a^{2} b - i \, a b^{2}\right )} d f x \sin \left (2 \, f x + 2 \, e\right ) + {\left (i \, a^{2} b - a b^{2}\right )} d f x\right )} \arctan \left (\frac {2 \, a b \cos \left (2 \, f x + 2 \, e\right ) - {\left (a^{2} - b^{2}\right )} \sin \left (2 \, f x + 2 \, e\right )}{a^{2} + b^{2}}, \frac {2 \, a b \sin \left (2 \, f x + 2 \, e\right ) + a^{2} + b^{2} + {\left (a^{2} - b^{2}\right )} \cos \left (2 \, f x + 2 \, e\right )}{a^{2} + b^{2}}\right ) + {\left ({\left (a^{3} - 3 i \, a^{2} b - 3 \, a b^{2} + i \, b^{3}\right )} d f^{2} x^{2} + 2 \, {\left ({\left (a^{3} - 3 i \, a^{2} b - 3 \, a b^{2} + i \, b^{3}\right )} c f^{2} - 2 \, {\left (i \, a b^{2} + b^{3}\right )} d f\right )} x\right )} \cos \left (2 \, f x + 2 \, e\right ) - 2 \, {\left ({\left (i \, a^{2} b + a b^{2}\right )} d \cos \left (2 \, f x + 2 \, e\right ) - {\left (a^{2} b - i \, a b^{2}\right )} d \sin \left (2 \, f x + 2 \, e\right ) + {\left (i \, a^{2} b - a b^{2}\right )} d\right )} {\rm Li}_2\left (\frac {{\left (i \, a e^{\left (2 i \, e\right )} + b e^{\left (2 i \, e\right )}\right )} e^{\left (2 i \, f x\right )}}{-i \, a + b}\right ) + {\left (2 \, {\left (a^{2} b + i \, a b^{2}\right )} c f + {\left (a b^{2} + i \, b^{3}\right )} d + {\left (2 \, {\left (a^{2} b - i \, a b^{2}\right )} c f + {\left (a b^{2} - i \, b^{3}\right )} d\right )} \cos \left (2 \, f x + 2 \, e\right ) - {\left (2 \, {\left (-i \, a^{2} b - a b^{2}\right )} c f - {\left (i \, a b^{2} + b^{3}\right )} d\right )} \sin \left (2 \, f x + 2 \, e\right )\right )} \log \left ({\left (a^{2} + b^{2}\right )} \cos \left (2 \, f x + 2 \, e\right )^{2} + 4 \, a b \sin \left (2 \, f x + 2 \, e\right ) + {\left (a^{2} + b^{2}\right )} \sin \left (2 \, f x + 2 \, e\right )^{2} + a^{2} + b^{2} + 2 \, {\left (a^{2} - b^{2}\right )} \cos \left (2 \, f x + 2 \, e\right )\right ) + 2 \, {\left ({\left (a^{2} b - i \, a b^{2}\right )} d f x \cos \left (2 \, f x + 2 \, e\right ) - {\left (-i \, a^{2} b - a b^{2}\right )} d f x \sin \left (2 \, f x + 2 \, e\right ) + {\left (a^{2} b + i \, a b^{2}\right )} d f x\right )} \log \left (\frac {{\left (a^{2} + b^{2}\right )} \cos \left (2 \, f x + 2 \, e\right )^{2} + 4 \, a b \sin \left (2 \, f x + 2 \, e\right ) + {\left (a^{2} + b^{2}\right )} \sin \left (2 \, f x + 2 \, e\right )^{2} + a^{2} + b^{2} + 2 \, {\left (a^{2} - b^{2}\right )} \cos \left (2 \, f x + 2 \, e\right )}{a^{2} + b^{2}}\right ) + {\left ({\left (i \, a^{3} + 3 \, a^{2} b - 3 i \, a b^{2} - b^{3}\right )} d f^{2} x^{2} - 2 \, {\left ({\left (-i \, a^{3} - 3 \, a^{2} b + 3 i \, a b^{2} + b^{3}\right )} c f^{2} - 2 \, {\left (a b^{2} - i \, b^{3}\right )} d f\right )} x\right )} \sin \left (2 \, f x + 2 \, e\right )}{2 \, {\left ({\left (a^{5} - i \, a^{4} b + 2 \, a^{3} b^{2} - 2 i \, a^{2} b^{3} + a b^{4} - i \, b^{5}\right )} f^{2} \cos \left (2 \, f x + 2 \, e\right ) - {\left (-i \, a^{5} - a^{4} b - 2 i \, a^{3} b^{2} - 2 \, a^{2} b^{3} - i \, a b^{4} - b^{5}\right )} f^{2} \sin \left (2 \, f x + 2 \, e\right ) + {\left (a^{5} + i \, a^{4} b + 2 \, a^{3} b^{2} + 2 i \, a^{2} b^{3} + a b^{4} + i \, b^{5}\right )} f^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 871 vs. \(2 (200) = 400\).
time = 0.44, size = 871, normalized size = 4.07 \begin {gather*} \frac {{\left (a^{3} - a b^{2}\right )} d f^{2} x^{2} - 2 \, b^{3} c f - 2 \, {\left (b^{3} d f - {\left (a^{3} - a b^{2}\right )} c f^{2}\right )} x + {\left (i \, a b^{2} d \tan \left (f x + e\right ) + i \, a^{2} b d\right )} {\rm Li}_2\left (\frac {2 \, {\left ({\left (i \, a b - b^{2}\right )} \tan \left (f x + e\right )^{2} - a^{2} - i \, a b + {\left (i \, a^{2} - 2 \, a b - i \, b^{2}\right )} \tan \left (f x + e\right )\right )}}{{\left (a^{2} + b^{2}\right )} \tan \left (f x + e\right )^{2} + a^{2} + b^{2}} + 1\right ) + {\left (-i \, a b^{2} d \tan \left (f x + e\right ) - i \, a^{2} b d\right )} {\rm Li}_2\left (\frac {2 \, {\left ({\left (-i \, a b - b^{2}\right )} \tan \left (f x + e\right )^{2} - a^{2} + i \, a b + {\left (-i \, a^{2} - 2 \, a b + i \, b^{2}\right )} \tan \left (f x + e\right )\right )}}{{\left (a^{2} + b^{2}\right )} \tan \left (f x + e\right )^{2} + a^{2} + b^{2}} + 1\right ) + 2 \, {\left (a^{2} b d f x + a^{2} b d e + {\left (a b^{2} d f x + a b^{2} d e\right )} \tan \left (f x + e\right )\right )} \log \left (-\frac {2 \, {\left ({\left (i \, a b - b^{2}\right )} \tan \left (f x + e\right )^{2} - a^{2} - i \, a b + {\left (i \, a^{2} - 2 \, a b - i \, b^{2}\right )} \tan \left (f x + e\right )\right )}}{{\left (a^{2} + b^{2}\right )} \tan \left (f x + e\right )^{2} + a^{2} + b^{2}}\right ) + 2 \, {\left (a^{2} b d f x + a^{2} b d e + {\left (a b^{2} d f x + a b^{2} d e\right )} \tan \left (f x + e\right )\right )} \log \left (-\frac {2 \, {\left ({\left (-i \, a b - b^{2}\right )} \tan \left (f x + e\right )^{2} - a^{2} + i \, a b + {\left (-i \, a^{2} - 2 \, a b + i \, b^{2}\right )} \tan \left (f x + e\right )\right )}}{{\left (a^{2} + b^{2}\right )} \tan \left (f x + e\right )^{2} + a^{2} + b^{2}}\right ) + {\left (2 \, a^{2} b c f - 2 \, a^{2} b d e + a b^{2} d + {\left (2 \, a b^{2} c f - 2 \, a b^{2} d e + b^{3} d\right )} \tan \left (f x + e\right )\right )} \log \left (\frac {{\left (i \, a b + b^{2}\right )} \tan \left (f x + e\right )^{2} - a^{2} + i \, a b + {\left (i \, a^{2} + i \, b^{2}\right )} \tan \left (f x + e\right )}{\tan \left (f x + e\right )^{2} + 1}\right ) + {\left (2 \, a^{2} b c f - 2 \, a^{2} b d e + a b^{2} d + {\left (2 \, a b^{2} c f - 2 \, a b^{2} d e + b^{3} d\right )} \tan \left (f x + e\right )\right )} \log \left (\frac {{\left (i \, a b - b^{2}\right )} \tan \left (f x + e\right )^{2} + a^{2} + i \, a b + {\left (i \, a^{2} + i \, b^{2}\right )} \tan \left (f x + e\right )}{\tan \left (f x + e\right )^{2} + 1}\right ) + {\left ({\left (a^{2} b - b^{3}\right )} d f^{2} x^{2} + 2 \, a b^{2} c f + 2 \, {\left (a b^{2} d f + {\left (a^{2} b - b^{3}\right )} c f^{2}\right )} x\right )} \tan \left (f x + e\right )}{2 \, {\left ({\left (a^{4} b + 2 \, a^{2} b^{3} + b^{5}\right )} f^{2} \tan \left (f x + e\right ) + {\left (a^{5} + 2 \, a^{3} b^{2} + a b^{4}\right )} f^{2}\right )}} \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 \frac {c + d x}{\left (a + b \tan {\left (e + f x \right )}\right )^{2}}\, 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 = -0.00 \begin {gather*} \int \frac {c+d\,x}{{\left (a+b\,\mathrm {tan}\left (e+f\,x\right )\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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