Integrand size = 20, antiderivative size = 295 \[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=-\frac {i b^2 (c+d x)^3}{f}+\frac {a^2 (c+d x)^4}{4 d}-\frac {i a b (c+d x)^4}{2 d}-\frac {b^2 (c+d x)^4}{4 d}-\frac {b^2 (c+d x)^3 \cot (e+f x)}{f}+\frac {3 b^2 d (c+d x)^2 \log \left (1-e^{2 i (e+f x)}\right )}{f^2}+\frac {2 a b (c+d x)^3 \log \left (1-e^{2 i (e+f x)}\right )}{f}-\frac {3 i b^2 d^2 (c+d x) \operatorname {PolyLog}\left (2,e^{2 i (e+f x)}\right )}{f^3}-\frac {3 i a b d (c+d x)^2 \operatorname {PolyLog}\left (2,e^{2 i (e+f x)}\right )}{f^2}+\frac {3 b^2 d^3 \operatorname {PolyLog}\left (3,e^{2 i (e+f x)}\right )}{2 f^4}+\frac {3 a b d^2 (c+d x) \operatorname {PolyLog}\left (3,e^{2 i (e+f x)}\right )}{f^3}+\frac {3 i a b d^3 \operatorname {PolyLog}\left (4,e^{2 i (e+f x)}\right )}{2 f^4} \]
-I*b^2*(d*x+c)^3/f+1/4*a^2*(d*x+c)^4/d-1/2*I*a*b*(d*x+c)^4/d-1/4*b^2*(d*x+ c)^4/d-b^2*(d*x+c)^3*cot(f*x+e)/f+3*b^2*d*(d*x+c)^2*ln(1-exp(2*I*(f*x+e))) /f^2+2*a*b*(d*x+c)^3*ln(1-exp(2*I*(f*x+e)))/f-3*I*b^2*d^2*(d*x+c)*polylog( 2,exp(2*I*(f*x+e)))/f^3-3*I*a*b*d*(d*x+c)^2*polylog(2,exp(2*I*(f*x+e)))/f^ 2+3/2*b^2*d^3*polylog(3,exp(2*I*(f*x+e)))/f^4+3*a*b*d^2*(d*x+c)*polylog(3, exp(2*I*(f*x+e)))/f^3+3/2*I*a*b*d^3*polylog(4,exp(2*I*(f*x+e)))/f^4
Both result and optimal contain complex but leaf count is larger than twice the leaf count of optimal. \(1657\) vs. \(2(295)=590\).
Time = 7.24 (sec) , antiderivative size = 1657, normalized size of antiderivative = 5.62 \[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx =\text {Too large to display} \]
-1/2*(b^2*d^3*E^(I*e)*Csc[e]*((2*f^3*x^3)/E^((2*I)*e) + (3*I)*(1 - E^((-2* I)*e))*f^2*x^2*Log[1 - E^((-I)*(e + f*x))] + (3*I)*(1 - E^((-2*I)*e))*f^2* x^2*Log[1 + E^((-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e))*f*x*PolyLog[2, -E^( (-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e))*f*x*PolyLog[2, E^((-I)*(e + f*x))] + (6*I)*(1 - E^((-2*I)*e))*PolyLog[3, -E^((-I)*(e + f*x))] + (6*I)*(1 - E ^((-2*I)*e))*PolyLog[3, E^((-I)*(e + f*x))]))/f^4 - (a*b*c*d^2*E^(I*e)*Csc [e]*((2*f^3*x^3)/E^((2*I)*e) + (3*I)*(1 - E^((-2*I)*e))*f^2*x^2*Log[1 - E^ ((-I)*(e + f*x))] + (3*I)*(1 - E^((-2*I)*e))*f^2*x^2*Log[1 + E^((-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e))*f*x*PolyLog[2, -E^((-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e))*f*x*PolyLog[2, E^((-I)*(e + f*x))] + (6*I)*(1 - E^((-2*I)*e ))*PolyLog[3, -E^((-I)*(e + f*x))] + (6*I)*(1 - E^((-2*I)*e))*PolyLog[3, E ^((-I)*(e + f*x))]))/f^3 - (a*b*d^3*E^(I*e)*Csc[e]*((f^4*x^4)/E^((2*I)*e) + (2*I)*(1 - E^((-2*I)*e))*f^3*x^3*Log[1 - E^((-I)*(e + f*x))] + (2*I)*(1 - E^((-2*I)*e))*f^3*x^3*Log[1 + E^((-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e)) *f^2*x^2*PolyLog[2, -E^((-I)*(e + f*x))] - 6*(1 - E^((-2*I)*e))*f^2*x^2*Po lyLog[2, E^((-I)*(e + f*x))] + (12*I)*(1 - E^((-2*I)*e))*f*x*PolyLog[3, -E ^((-I)*(e + f*x))] + (12*I)*(1 - E^((-2*I)*e))*f*x*PolyLog[3, E^((-I)*(e + f*x))] + 12*(1 - E^((-2*I)*e))*PolyLog[4, -E^((-I)*(e + f*x))] + 12*(1 - E^((-2*I)*e))*PolyLog[4, E^((-I)*(e + f*x))]))/(2*f^4) + (3*b^2*c^2*d*Csc[ e]*(-(f*x*Cos[e]) + Log[Cos[f*x]*Sin[e] + Cos[e]*Sin[f*x]]*Sin[e]))/(f^...
Time = 0.77 (sec) , antiderivative size = 295, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {3042, 4205, 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.
\(\displaystyle \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (c+d x)^3 \left (a-b \tan \left (e+f x+\frac {\pi }{2}\right )\right )^2dx\) |
\(\Big \downarrow \) 4205 |
\(\displaystyle \int \left (a^2 (c+d x)^3+2 a b (c+d x)^3 \cot (e+f x)+b^2 (c+d x)^3 \cot ^2(e+f x)\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {a^2 (c+d x)^4}{4 d}+\frac {3 a b d^2 (c+d x) \operatorname {PolyLog}\left (3,e^{2 i (e+f x)}\right )}{f^3}-\frac {3 i a b d (c+d x)^2 \operatorname {PolyLog}\left (2,e^{2 i (e+f x)}\right )}{f^2}+\frac {2 a b (c+d x)^3 \log \left (1-e^{2 i (e+f x)}\right )}{f}-\frac {i a b (c+d x)^4}{2 d}+\frac {3 i a b d^3 \operatorname {PolyLog}\left (4,e^{2 i (e+f x)}\right )}{2 f^4}-\frac {3 i b^2 d^2 (c+d x) \operatorname {PolyLog}\left (2,e^{2 i (e+f x)}\right )}{f^3}+\frac {3 b^2 d (c+d x)^2 \log \left (1-e^{2 i (e+f x)}\right )}{f^2}-\frac {b^2 (c+d x)^3 \cot (e+f x)}{f}-\frac {i b^2 (c+d x)^3}{f}-\frac {b^2 (c+d x)^4}{4 d}+\frac {3 b^2 d^3 \operatorname {PolyLog}\left (3,e^{2 i (e+f x)}\right )}{2 f^4}\) |
((-I)*b^2*(c + d*x)^3)/f + (a^2*(c + d*x)^4)/(4*d) - ((I/2)*a*b*(c + d*x)^ 4)/d - (b^2*(c + d*x)^4)/(4*d) - (b^2*(c + d*x)^3*Cot[e + f*x])/f + (3*b^2 *d*(c + d*x)^2*Log[1 - E^((2*I)*(e + f*x))])/f^2 + (2*a*b*(c + d*x)^3*Log[ 1 - E^((2*I)*(e + f*x))])/f - ((3*I)*b^2*d^2*(c + d*x)*PolyLog[2, E^((2*I) *(e + f*x))])/f^3 - ((3*I)*a*b*d*(c + d*x)^2*PolyLog[2, E^((2*I)*(e + f*x) )])/f^2 + (3*b^2*d^3*PolyLog[3, E^((2*I)*(e + f*x))])/(2*f^4) + (3*a*b*d^2 *(c + d*x)*PolyLog[3, E^((2*I)*(e + f*x))])/f^3 + (((3*I)/2)*a*b*d^3*PolyL og[4, E^((2*I)*(e + f*x))])/f^4
3.1.42.3.1 Defintions of rubi rules used
Int[((c_.) + (d_.)*(x_))^(m_.)*((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(n_.) , x_Symbol] :> Int[ExpandIntegrand[(c + d*x)^m, (a + b*Tan[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. 1603 vs. \(2 (266 ) = 532\).
Time = 0.85 (sec) , antiderivative size = 1604, normalized size of antiderivative = 5.44
4/f^4*b*e^3*d^3*a*ln(exp(I*(f*x+e)))-2/f^4*b*e^3*d^3*a*ln(exp(I*(f*x+e))-1 )+12*I/f^4*b*d^3*a*polylog(4,-exp(I*(f*x+e)))-3*I/f^4*b*d^3*a*e^4-6*I/f^3* b^2*d^3*polylog(2,exp(I*(f*x+e)))*x-6*I/f^3*b^2*d^3*polylog(2,-exp(I*(f*x+ e)))*x+6*I/f^3*b^2*e^2*d^3*x-6*I/f*b^2*d^2*c*x^2-6*I/f^3*b^2*d^2*c*e^2-6*I /f^3*b^2*d^2*c*polylog(2,exp(I*(f*x+e)))-6*I/f^3*b^2*d^2*c*polylog(2,-exp( I*(f*x+e)))+12*I/f^4*b*d^3*a*polylog(4,exp(I*(f*x+e)))-2*I*d^2*a*b*c*x^3-3 *I*d*a*b*c^2*x^2+d^2*a^2*c*x^3+3/2*d*a^2*c^2*x^2+a^2*c^3*x-d^2*b^2*c*x^3-3 /2*d*b^2*c^2*x^2+2*I*a*b*c^3*x+1/2*I/d*a*b*c^4-1/2*I*d^3*a*b*x^4+12/f^2*b* e*a*c^2*d*ln(exp(I*(f*x+e)))+12/f^3*b^2*e*c*d^2*ln(exp(I*(f*x+e)))-6/f^3*b ^2*e*c*d^2*ln(exp(I*(f*x+e))-1)+6/f^3*b^2*d^2*c*ln(1-exp(I*(f*x+e)))*e+6/f ^2*b^2*d^2*c*ln(1-exp(I*(f*x+e)))*x+6/f^2*b^2*d^2*c*ln(exp(I*(f*x+e))+1)*x +12/f^3*b*d^3*a*polylog(3,-exp(I*(f*x+e)))*x+12/f^3*b*d^3*a*polylog(3,exp( I*(f*x+e)))*x+2/f*b*d^3*a*ln(exp(I*(f*x+e))+1)*x^3+2/f^4*b*d^3*a*ln(1-exp( I*(f*x+e)))*e^3+2/f*b*d^3*a*ln(1-exp(I*(f*x+e)))*x^3+12/f^3*b*a*c*d^2*poly log(3,exp(I*(f*x+e)))+12/f^3*b*a*c*d^2*polylog(3,-exp(I*(f*x+e)))+3/f^2*b^ 2*d^3*ln(exp(I*(f*x+e))+1)*x^2+2/f*b*a*c^3*ln(exp(I*(f*x+e))+1)-4/f*b*a*c^ 3*ln(exp(I*(f*x+e)))+2/f*b*a*c^3*ln(exp(I*(f*x+e))-1)+3/f^2*b^2*c^2*d*ln(e xp(I*(f*x+e))+1)-6/f^2*b^2*c^2*d*ln(exp(I*(f*x+e)))+3/f^2*b^2*c^2*d*ln(exp (I*(f*x+e))-1)-6/f^4*b^2*e^2*d^3*ln(exp(I*(f*x+e)))+3/f^4*b^2*e^2*d^3*ln(e xp(I*(f*x+e))-1)-3/f^4*b^2*e^2*d^3*ln(1-exp(I*(f*x+e)))+3/f^2*b^2*d^3*l...
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1154 vs. \(2 (259) = 518\).
Time = 0.35 (sec) , antiderivative size = 1154, normalized size of antiderivative = 3.91 \[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=\text {Too large to display} \]
-1/4*(4*b^2*d^3*f^3*x^3 + 12*b^2*c*d^2*f^3*x^2 + 12*b^2*c^2*d*f^3*x + 4*b^ 2*c^3*f^3 - 3*I*a*b*d^3*polylog(4, cos(2*f*x + 2*e) + I*sin(2*f*x + 2*e))* sin(2*f*x + 2*e) + 3*I*a*b*d^3*polylog(4, cos(2*f*x + 2*e) - I*sin(2*f*x + 2*e))*sin(2*f*x + 2*e) + 6*(I*a*b*d^3*f^2*x^2 + I*a*b*c^2*d*f^2 + I*b^2*c *d^2*f + I*(2*a*b*c*d^2*f^2 + b^2*d^3*f)*x)*dilog(cos(2*f*x + 2*e) + I*sin (2*f*x + 2*e))*sin(2*f*x + 2*e) + 6*(-I*a*b*d^3*f^2*x^2 - I*a*b*c^2*d*f^2 - I*b^2*c*d^2*f - I*(2*a*b*c*d^2*f^2 + b^2*d^3*f)*x)*dilog(cos(2*f*x + 2*e ) - I*sin(2*f*x + 2*e))*sin(2*f*x + 2*e) + 2*(2*a*b*d^3*e^3 - 2*a*b*c^3*f^ 3 - 3*b^2*d^3*e^2 + 3*(2*a*b*c^2*d*e - b^2*c^2*d)*f^2 - 6*(a*b*c*d^2*e^2 - b^2*c*d^2*e)*f)*log(-1/2*cos(2*f*x + 2*e) + 1/2*I*sin(2*f*x + 2*e) + 1/2) *sin(2*f*x + 2*e) + 2*(2*a*b*d^3*e^3 - 2*a*b*c^3*f^3 - 3*b^2*d^3*e^2 + 3*( 2*a*b*c^2*d*e - b^2*c^2*d)*f^2 - 6*(a*b*c*d^2*e^2 - b^2*c*d^2*e)*f)*log(-1 /2*cos(2*f*x + 2*e) - 1/2*I*sin(2*f*x + 2*e) + 1/2)*sin(2*f*x + 2*e) - 2*( 2*a*b*d^3*f^3*x^3 + 2*a*b*d^3*e^3 + 6*a*b*c^2*d*e*f^2 - 3*b^2*d^3*e^2 + 3* (2*a*b*c*d^2*f^3 + b^2*d^3*f^2)*x^2 - 6*(a*b*c*d^2*e^2 - b^2*c*d^2*e)*f + 6*(a*b*c^2*d*f^3 + b^2*c*d^2*f^2)*x)*log(-cos(2*f*x + 2*e) + I*sin(2*f*x + 2*e) + 1)*sin(2*f*x + 2*e) - 2*(2*a*b*d^3*f^3*x^3 + 2*a*b*d^3*e^3 + 6*a*b *c^2*d*e*f^2 - 3*b^2*d^3*e^2 + 3*(2*a*b*c*d^2*f^3 + b^2*d^3*f^2)*x^2 - 6*( a*b*c*d^2*e^2 - b^2*c*d^2*e)*f + 6*(a*b*c^2*d*f^3 + b^2*c*d^2*f^2)*x)*log( -cos(2*f*x + 2*e) - I*sin(2*f*x + 2*e) + 1)*sin(2*f*x + 2*e) - 3*(2*a*b...
\[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=\int \left (a + b \cot {\left (e + f x \right )}\right )^{2} \left (c + d x\right )^{3}\, dx \]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 4024 vs. \(2 (259) = 518\).
Time = 1.51 (sec) , antiderivative size = 4024, normalized size of antiderivative = 13.64 \[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=\text {Too large to display} \]
1/4*(4*(f*x + e)*a^2*c^3 + (f*x + e)^4*a^2*d^3/f^3 - 4*(f*x + e)^3*a^2*d^3 *e/f^3 + 6*(f*x + e)^2*a^2*d^3*e^2/f^3 - 4*(f*x + e)*a^2*d^3*e^3/f^3 + 4*( f*x + e)^3*a^2*c*d^2/f^2 - 12*(f*x + e)^2*a^2*c*d^2*e/f^2 + 12*(f*x + e)*a ^2*c*d^2*e^2/f^2 + 6*(f*x + e)^2*a^2*c^2*d/f - 12*(f*x + e)*a^2*c^2*d*e/f + 8*a*b*c^3*log(sin(f*x + e)) - 8*a*b*d^3*e^3*log(sin(f*x + e))/f^3 + 24*a *b*c*d^2*e^2*log(sin(f*x + e))/f^2 - 24*a*b*c^2*d*e*log(sin(f*x + e))/f + 4*((2*a*b - I*b^2)*(f*x + e)^4*d^3 + 8*b^2*d^3*e^3 - 24*b^2*c*d^2*e^2*f + 24*b^2*c^2*d*e*f^2 - 8*b^2*c^3*f^3 - 4*((2*a*b - I*b^2)*d^3*e - (2*a*b - I *b^2)*c*d^2*f)*(f*x + e)^3 + 6*((2*a*b - I*b^2)*d^3*e^2 - 2*(2*a*b - I*b^2 )*c*d^2*e*f + (2*a*b - I*b^2)*c^2*d*f^2)*(f*x + e)^2 - 4*(-I*b^2*d^3*e^3 + 3*I*b^2*c*d^2*e^2*f - 3*I*b^2*c^2*d*e*f^2 + I*b^2*c^3*f^3)*(f*x + e) - 4* (2*(f*x + e)^3*a*b*d^3 + 3*b^2*d^3*e^2 - 6*b^2*c*d^2*e*f + 3*b^2*c^2*d*f^2 - 3*(2*a*b*d^3*e - 2*a*b*c*d^2*f - b^2*d^3)*(f*x + e)^2 + 6*(a*b*d^3*e^2 + a*b*c^2*d*f^2 - b^2*d^3*e - (2*a*b*c*d^2*e - b^2*c*d^2)*f)*(f*x + e) - ( 2*(f*x + e)^3*a*b*d^3 + 3*b^2*d^3*e^2 - 6*b^2*c*d^2*e*f + 3*b^2*c^2*d*f^2 - 3*(2*a*b*d^3*e - 2*a*b*c*d^2*f - b^2*d^3)*(f*x + e)^2 + 6*(a*b*d^3*e^2 + a*b*c^2*d*f^2 - b^2*d^3*e - (2*a*b*c*d^2*e - b^2*c*d^2)*f)*(f*x + e))*cos (2*f*x + 2*e) + (-2*I*(f*x + e)^3*a*b*d^3 - 3*I*b^2*d^3*e^2 + 6*I*b^2*c*d^ 2*e*f - 3*I*b^2*c^2*d*f^2 + 3*(2*I*a*b*d^3*e - 2*I*a*b*c*d^2*f - I*b^2*d^3 )*(f*x + e)^2 + 6*(-I*a*b*d^3*e^2 - I*a*b*c^2*d*f^2 + I*b^2*d^3*e + (2*...
\[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=\int { {\left (d x + c\right )}^{3} {\left (b \cot \left (f x + e\right ) + a\right )}^{2} \,d x } \]
Timed out. \[ \int (c+d x)^3 (a+b \cot (e+f x))^2 \, dx=\int {\left (a+b\,\mathrm {cot}\left (e+f\,x\right )\right )}^2\,{\left (c+d\,x\right )}^3 \,d x \]