Integrand size = 18, antiderivative size = 157 \[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=\frac {a (c+d x)^3}{3 d}-\frac {2 i a (c+d x)^2 \arctan \left (e^{i (e+f x)}\right )}{f}+\frac {2 i a d (c+d x) \operatorname {PolyLog}\left (2,-i e^{i (e+f x)}\right )}{f^2}-\frac {2 i a d (c+d x) \operatorname {PolyLog}\left (2,i e^{i (e+f x)}\right )}{f^2}-\frac {2 a d^2 \operatorname {PolyLog}\left (3,-i e^{i (e+f x)}\right )}{f^3}+\frac {2 a d^2 \operatorname {PolyLog}\left (3,i e^{i (e+f x)}\right )}{f^3} \]
1/3*a*(d*x+c)^3/d-2*I*a*(d*x+c)^2*arctan(exp(I*(f*x+e)))/f+2*I*a*d*(d*x+c) *polylog(2,-I*exp(I*(f*x+e)))/f^2-2*I*a*d*(d*x+c)*polylog(2,I*exp(I*(f*x+e )))/f^2-2*a*d^2*polylog(3,-I*exp(I*(f*x+e)))/f^3+2*a*d^2*polylog(3,I*exp(I *(f*x+e)))/f^3
Time = 0.15 (sec) , antiderivative size = 151, normalized size of antiderivative = 0.96 \[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=a \left (\frac {(c+d x)^3}{3 d}-\frac {2 i (c+d x)^2 \arctan \left (e^{i (e+f x)}\right )}{f}+\frac {2 i d \left (f (c+d x) \operatorname {PolyLog}\left (2,-i e^{i (e+f x)}\right )+i d \operatorname {PolyLog}\left (3,-i e^{i (e+f x)}\right )\right )}{f^3}+\frac {2 d \left (-i f (c+d x) \operatorname {PolyLog}\left (2,i e^{i (e+f x)}\right )+d \operatorname {PolyLog}\left (3,i e^{i (e+f x)}\right )\right )}{f^3}\right ) \]
a*((c + d*x)^3/(3*d) - ((2*I)*(c + d*x)^2*ArcTan[E^(I*(e + f*x))])/f + ((2 *I)*d*(f*(c + d*x)*PolyLog[2, (-I)*E^(I*(e + f*x))] + I*d*PolyLog[3, (-I)* E^(I*(e + f*x))]))/f^3 + (2*d*((-I)*f*(c + d*x)*PolyLog[2, I*E^(I*(e + f*x ))] + d*PolyLog[3, I*E^(I*(e + f*x))]))/f^3)
Time = 0.36 (sec) , antiderivative size = 157, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {3042, 4678, 2009}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int (c+d x)^2 (a \sec (e+f x)+a) \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (c+d x)^2 \left (a \csc \left (e+f x+\frac {\pi }{2}\right )+a\right )dx\) |
\(\Big \downarrow \) 4678 |
\(\displaystyle \int \left (a (c+d x)^2 \sec (e+f x)+a (c+d x)^2\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -\frac {2 i a (c+d x)^2 \arctan \left (e^{i (e+f x)}\right )}{f}+\frac {2 i a d (c+d x) \operatorname {PolyLog}\left (2,-i e^{i (e+f x)}\right )}{f^2}-\frac {2 i a d (c+d x) \operatorname {PolyLog}\left (2,i e^{i (e+f x)}\right )}{f^2}+\frac {a (c+d x)^3}{3 d}-\frac {2 a d^2 \operatorname {PolyLog}\left (3,-i e^{i (e+f x)}\right )}{f^3}+\frac {2 a d^2 \operatorname {PolyLog}\left (3,i e^{i (e+f x)}\right )}{f^3}\) |
(a*(c + d*x)^3)/(3*d) - ((2*I)*a*(c + d*x)^2*ArcTan[E^(I*(e + f*x))])/f + ((2*I)*a*d*(c + d*x)*PolyLog[2, (-I)*E^(I*(e + f*x))])/f^2 - ((2*I)*a*d*(c + d*x)*PolyLog[2, I*E^(I*(e + f*x))])/f^2 - (2*a*d^2*PolyLog[3, (-I)*E^(I *(e + f*x))])/f^3 + (2*a*d^2*PolyLog[3, I*E^(I*(e + f*x))])/f^3
3.1.2.3.1 Defintions of rubi rules used
Int[(csc[(e_.) + (f_.)*(x_)]*(b_.) + (a_))^(n_.)*((c_.) + (d_.)*(x_))^(m_.) , x_Symbol] :> Int[ExpandIntegrand[(c + d*x)^m, (a + b*Csc[e + f*x])^n, x], x] /; FreeQ[{a, b, c, d, e, f, m}, x] && IGtQ[m, 0] && IGtQ[n, 0]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 439 vs. \(2 (138 ) = 276\).
Time = 1.34 (sec) , antiderivative size = 440, normalized size of antiderivative = 2.80
method | result | size |
risch | \(\frac {a \,d^{2} x^{3}}{3}+a d c \,x^{2}+a \,c^{2} x +\frac {a \,c^{3}}{3 d}-\frac {a \,e^{2} d^{2} \ln \left (1-i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{3}}+\frac {2 a c d \ln \left (1-i {\mathrm e}^{i \left (f x +e \right )}\right ) e}{f^{2}}+\frac {2 a \,d^{2} \operatorname {polylog}\left (3, i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{3}}+\frac {2 a c d \ln \left (1-i {\mathrm e}^{i \left (f x +e \right )}\right ) x}{f}+\frac {2 i a c d \operatorname {polylog}\left (2, -i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{2}}+\frac {2 i a \,d^{2} \operatorname {polylog}\left (2, -i {\mathrm e}^{i \left (f x +e \right )}\right ) x}{f^{2}}+\frac {4 i a c d e \arctan \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{f^{2}}-\frac {2 i a \,d^{2} e^{2} \arctan \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{f^{3}}+\frac {a \,e^{2} d^{2} \ln \left (1+i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{3}}-\frac {2 a \,d^{2} \operatorname {polylog}\left (3, -i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{3}}-\frac {2 i a c d \operatorname {polylog}\left (2, i {\mathrm e}^{i \left (f x +e \right )}\right )}{f^{2}}+\frac {a \,d^{2} \ln \left (1-i {\mathrm e}^{i \left (f x +e \right )}\right ) x^{2}}{f}-\frac {a \,d^{2} \ln \left (1+i {\mathrm e}^{i \left (f x +e \right )}\right ) x^{2}}{f}-\frac {2 i a \,c^{2} \arctan \left ({\mathrm e}^{i \left (f x +e \right )}\right )}{f}-\frac {2 a c d \ln \left (1+i {\mathrm e}^{i \left (f x +e \right )}\right ) x}{f}-\frac {2 a c d \ln \left (1+i {\mathrm e}^{i \left (f x +e \right )}\right ) e}{f^{2}}-\frac {2 i a \,d^{2} \operatorname {polylog}\left (2, i {\mathrm e}^{i \left (f x +e \right )}\right ) x}{f^{2}}\) | \(440\) |
1/3*a*d^2*x^3+a*d*c*x^2+a*c^2*x+1/3*a/d*c^3-1/f^3*a*e^2*d^2*ln(1-I*exp(I*( f*x+e)))+2/f^2*a*c*d*ln(1-I*exp(I*(f*x+e)))*e+2*a*d^2*polylog(3,I*exp(I*(f *x+e)))/f^3+2/f*a*c*d*ln(1-I*exp(I*(f*x+e)))*x+2*I/f^2*a*c*d*polylog(2,-I* exp(I*(f*x+e)))+2*I/f^2*a*d^2*polylog(2,-I*exp(I*(f*x+e)))*x+4*I/f^2*a*c*d *e*arctan(exp(I*(f*x+e)))-2*I/f^3*a*d^2*e^2*arctan(exp(I*(f*x+e)))+1/f^3*a *e^2*d^2*ln(1+I*exp(I*(f*x+e)))-2*a*d^2*polylog(3,-I*exp(I*(f*x+e)))/f^3-2 *I/f^2*a*c*d*polylog(2,I*exp(I*(f*x+e)))+1/f*a*d^2*ln(1-I*exp(I*(f*x+e)))* x^2-1/f*a*d^2*ln(1+I*exp(I*(f*x+e)))*x^2-2*I/f*a*c^2*arctan(exp(I*(f*x+e)) )-2/f*a*c*d*ln(1+I*exp(I*(f*x+e)))*x-2/f^2*a*c*d*ln(1+I*exp(I*(f*x+e)))*e- 2*I/f^2*a*d^2*polylog(2,I*exp(I*(f*x+e)))*x
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 675 vs. \(2 (129) = 258\).
Time = 0.34 (sec) , antiderivative size = 675, normalized size of antiderivative = 4.30 \[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=\frac {2 \, a d^{2} f^{3} x^{3} + 6 \, a c d f^{3} x^{2} + 6 \, a c^{2} f^{3} x - 6 \, a d^{2} {\rm polylog}\left (3, i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right )\right ) + 6 \, a d^{2} {\rm polylog}\left (3, i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right )\right ) - 6 \, a d^{2} {\rm polylog}\left (3, -i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right )\right ) + 6 \, a d^{2} {\rm polylog}\left (3, -i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right )\right ) - 6 \, {\left (i \, a d^{2} f x + i \, a c d f\right )} {\rm Li}_2\left (i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right )\right ) - 6 \, {\left (i \, a d^{2} f x + i \, a c d f\right )} {\rm Li}_2\left (i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right )\right ) - 6 \, {\left (-i \, a d^{2} f x - i \, a c d f\right )} {\rm Li}_2\left (-i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right )\right ) - 6 \, {\left (-i \, a d^{2} f x - i \, a c d f\right )} {\rm Li}_2\left (-i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right )\right ) + 3 \, {\left (a d^{2} e^{2} - 2 \, a c d e f + a c^{2} f^{2}\right )} \log \left (\cos \left (f x + e\right ) + i \, \sin \left (f x + e\right ) + i\right ) - 3 \, {\left (a d^{2} e^{2} - 2 \, a c d e f + a c^{2} f^{2}\right )} \log \left (\cos \left (f x + e\right ) - i \, \sin \left (f x + e\right ) + i\right ) + 3 \, {\left (a d^{2} f^{2} x^{2} + 2 \, a c d f^{2} x - a d^{2} e^{2} + 2 \, a c d e f\right )} \log \left (i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right ) + 1\right ) - 3 \, {\left (a d^{2} f^{2} x^{2} + 2 \, a c d f^{2} x - a d^{2} e^{2} + 2 \, a c d e f\right )} \log \left (i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right ) + 1\right ) + 3 \, {\left (a d^{2} f^{2} x^{2} + 2 \, a c d f^{2} x - a d^{2} e^{2} + 2 \, a c d e f\right )} \log \left (-i \, \cos \left (f x + e\right ) + \sin \left (f x + e\right ) + 1\right ) - 3 \, {\left (a d^{2} f^{2} x^{2} + 2 \, a c d f^{2} x - a d^{2} e^{2} + 2 \, a c d e f\right )} \log \left (-i \, \cos \left (f x + e\right ) - \sin \left (f x + e\right ) + 1\right ) + 3 \, {\left (a d^{2} e^{2} - 2 \, a c d e f + a c^{2} f^{2}\right )} \log \left (-\cos \left (f x + e\right ) + i \, \sin \left (f x + e\right ) + i\right ) - 3 \, {\left (a d^{2} e^{2} - 2 \, a c d e f + a c^{2} f^{2}\right )} \log \left (-\cos \left (f x + e\right ) - i \, \sin \left (f x + e\right ) + i\right )}{6 \, f^{3}} \]
1/6*(2*a*d^2*f^3*x^3 + 6*a*c*d*f^3*x^2 + 6*a*c^2*f^3*x - 6*a*d^2*polylog(3 , I*cos(f*x + e) + sin(f*x + e)) + 6*a*d^2*polylog(3, I*cos(f*x + e) - sin (f*x + e)) - 6*a*d^2*polylog(3, -I*cos(f*x + e) + sin(f*x + e)) + 6*a*d^2* polylog(3, -I*cos(f*x + e) - sin(f*x + e)) - 6*(I*a*d^2*f*x + I*a*c*d*f)*d ilog(I*cos(f*x + e) + sin(f*x + e)) - 6*(I*a*d^2*f*x + I*a*c*d*f)*dilog(I* cos(f*x + e) - sin(f*x + e)) - 6*(-I*a*d^2*f*x - I*a*c*d*f)*dilog(-I*cos(f *x + e) + sin(f*x + e)) - 6*(-I*a*d^2*f*x - I*a*c*d*f)*dilog(-I*cos(f*x + e) - sin(f*x + e)) + 3*(a*d^2*e^2 - 2*a*c*d*e*f + a*c^2*f^2)*log(cos(f*x + e) + I*sin(f*x + e) + I) - 3*(a*d^2*e^2 - 2*a*c*d*e*f + a*c^2*f^2)*log(co s(f*x + e) - I*sin(f*x + e) + I) + 3*(a*d^2*f^2*x^2 + 2*a*c*d*f^2*x - a*d^ 2*e^2 + 2*a*c*d*e*f)*log(I*cos(f*x + e) + sin(f*x + e) + 1) - 3*(a*d^2*f^2 *x^2 + 2*a*c*d*f^2*x - a*d^2*e^2 + 2*a*c*d*e*f)*log(I*cos(f*x + e) - sin(f *x + e) + 1) + 3*(a*d^2*f^2*x^2 + 2*a*c*d*f^2*x - a*d^2*e^2 + 2*a*c*d*e*f) *log(-I*cos(f*x + e) + sin(f*x + e) + 1) - 3*(a*d^2*f^2*x^2 + 2*a*c*d*f^2* x - a*d^2*e^2 + 2*a*c*d*e*f)*log(-I*cos(f*x + e) - sin(f*x + e) + 1) + 3*( a*d^2*e^2 - 2*a*c*d*e*f + a*c^2*f^2)*log(-cos(f*x + e) + I*sin(f*x + e) + I) - 3*(a*d^2*e^2 - 2*a*c*d*e*f + a*c^2*f^2)*log(-cos(f*x + e) - I*sin(f*x + e) + I))/f^3
\[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=a \left (\int c^{2}\, dx + \int c^{2} \sec {\left (e + f x \right )}\, dx + \int d^{2} x^{2}\, dx + \int 2 c d x\, dx + \int d^{2} x^{2} \sec {\left (e + f x \right )}\, dx + \int 2 c d x \sec {\left (e + f x \right )}\, dx\right ) \]
a*(Integral(c**2, x) + Integral(c**2*sec(e + f*x), x) + Integral(d**2*x**2 , x) + Integral(2*c*d*x, x) + Integral(d**2*x**2*sec(e + f*x), x) + Integr al(2*c*d*x*sec(e + f*x), x))
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 516 vs. \(2 (129) = 258\).
Time = 0.40 (sec) , antiderivative size = 516, normalized size of antiderivative = 3.29 \[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=\frac {6 \, {\left (f x + e\right )} a c^{2} + \frac {2 \, {\left (f x + e\right )}^{3} a d^{2}}{f^{2}} - \frac {6 \, {\left (f x + e\right )}^{2} a d^{2} e}{f^{2}} + \frac {6 \, {\left (f x + e\right )} a d^{2} e^{2}}{f^{2}} + \frac {6 \, {\left (f x + e\right )}^{2} a c d}{f} - \frac {12 \, {\left (f x + e\right )} a c d e}{f} + 6 \, a c^{2} \log \left (\sec \left (f x + e\right ) + \tan \left (f x + e\right )\right ) + \frac {6 \, a d^{2} e^{2} \log \left (\sec \left (f x + e\right ) + \tan \left (f x + e\right )\right )}{f^{2}} - \frac {12 \, a c d e \log \left (\sec \left (f x + e\right ) + \tan \left (f x + e\right )\right )}{f} + \frac {3 \, {\left (4 \, a d^{2} {\rm Li}_{3}(i \, e^{\left (i \, f x + i \, e\right )}) - 4 \, a d^{2} {\rm Li}_{3}(-i \, e^{\left (i \, f x + i \, e\right )}) - 2 \, {\left (i \, {\left (f x + e\right )}^{2} a d^{2} + 2 \, {\left (-i \, a d^{2} e + i \, a c d f\right )} {\left (f x + e\right )}\right )} \arctan \left (\cos \left (f x + e\right ), \sin \left (f x + e\right ) + 1\right ) - 2 \, {\left (i \, {\left (f x + e\right )}^{2} a d^{2} + 2 \, {\left (-i \, a d^{2} e + i \, a c d f\right )} {\left (f x + e\right )}\right )} \arctan \left (\cos \left (f x + e\right ), -\sin \left (f x + e\right ) + 1\right ) - 4 \, {\left (i \, {\left (f x + e\right )} a d^{2} - i \, a d^{2} e + i \, a c d f\right )} {\rm Li}_2\left (i \, e^{\left (i \, f x + i \, e\right )}\right ) - 4 \, {\left (-i \, {\left (f x + e\right )} a d^{2} + i \, a d^{2} e - i \, a c d f\right )} {\rm Li}_2\left (-i \, e^{\left (i \, f x + i \, e\right )}\right ) + {\left ({\left (f x + e\right )}^{2} a d^{2} - 2 \, {\left (a d^{2} e - a c d f\right )} {\left (f x + e\right )}\right )} \log \left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} + 2 \, \sin \left (f x + e\right ) + 1\right ) - {\left ({\left (f x + e\right )}^{2} a d^{2} - 2 \, {\left (a d^{2} e - a c d f\right )} {\left (f x + e\right )}\right )} \log \left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} - 2 \, \sin \left (f x + e\right ) + 1\right )\right )}}{f^{2}}}{6 \, f} \]
1/6*(6*(f*x + e)*a*c^2 + 2*(f*x + e)^3*a*d^2/f^2 - 6*(f*x + e)^2*a*d^2*e/f ^2 + 6*(f*x + e)*a*d^2*e^2/f^2 + 6*(f*x + e)^2*a*c*d/f - 12*(f*x + e)*a*c* d*e/f + 6*a*c^2*log(sec(f*x + e) + tan(f*x + e)) + 6*a*d^2*e^2*log(sec(f*x + e) + tan(f*x + e))/f^2 - 12*a*c*d*e*log(sec(f*x + e) + tan(f*x + e))/f + 3*(4*a*d^2*polylog(3, I*e^(I*f*x + I*e)) - 4*a*d^2*polylog(3, -I*e^(I*f* x + I*e)) - 2*(I*(f*x + e)^2*a*d^2 + 2*(-I*a*d^2*e + I*a*c*d*f)*(f*x + e)) *arctan2(cos(f*x + e), sin(f*x + e) + 1) - 2*(I*(f*x + e)^2*a*d^2 + 2*(-I* a*d^2*e + I*a*c*d*f)*(f*x + e))*arctan2(cos(f*x + e), -sin(f*x + e) + 1) - 4*(I*(f*x + e)*a*d^2 - I*a*d^2*e + I*a*c*d*f)*dilog(I*e^(I*f*x + I*e)) - 4*(-I*(f*x + e)*a*d^2 + I*a*d^2*e - I*a*c*d*f)*dilog(-I*e^(I*f*x + I*e)) + ((f*x + e)^2*a*d^2 - 2*(a*d^2*e - a*c*d*f)*(f*x + e))*log(cos(f*x + e)^2 + sin(f*x + e)^2 + 2*sin(f*x + e) + 1) - ((f*x + e)^2*a*d^2 - 2*(a*d^2*e - a*c*d*f)*(f*x + e))*log(cos(f*x + e)^2 + sin(f*x + e)^2 - 2*sin(f*x + e) + 1))/f^2)/f
\[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=\int { {\left (d x + c\right )}^{2} {\left (a \sec \left (f x + e\right ) + a\right )} \,d x } \]
Timed out. \[ \int (c+d x)^2 (a+a \sec (e+f x)) \, dx=\int \left (a+\frac {a}{\cos \left (e+f\,x\right )}\right )\,{\left (c+d\,x\right )}^2 \,d x \]