Integrand size = 16, antiderivative size = 337 \[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=-\frac {6 i d^2 (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b^3}-\frac {i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {3 i d^3 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^4}+\frac {3 i d (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{2 b^2}-\frac {3 i d^3 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^4}-\frac {3 i d (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{2 b^2}-\frac {3 d^2 (c+d x) \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )}{b^3}+\frac {3 d^2 (c+d x) \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )}{b^3}-\frac {3 i d^3 \operatorname {PolyLog}\left (4,-i e^{i (a+b x)}\right )}{b^4}+\frac {3 i d^3 \operatorname {PolyLog}\left (4,i e^{i (a+b x)}\right )}{b^4}-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \sec (a+b x) \tan (a+b x)}{2 b} \] Output:
-6*I*d^2*(d*x+c)*arctan(exp(I*(b*x+a)))/b^3-I*(d*x+c)^3*arctan(exp(I*(b*x+ a)))/b+3*I*d^3*polylog(2,-I*exp(I*(b*x+a)))/b^4+3/2*I*d*(d*x+c)^2*polylog( 2,-I*exp(I*(b*x+a)))/b^2-3*I*d^3*polylog(2,I*exp(I*(b*x+a)))/b^4-3/2*I*d*( d*x+c)^2*polylog(2,I*exp(I*(b*x+a)))/b^2-3*d^2*(d*x+c)*polylog(3,-I*exp(I* (b*x+a)))/b^3+3*d^2*(d*x+c)*polylog(3,I*exp(I*(b*x+a)))/b^3-3*I*d^3*polylo g(4,-I*exp(I*(b*x+a)))/b^4+3*I*d^3*polylog(4,I*exp(I*(b*x+a)))/b^4-3/2*d*( d*x+c)^2*sec(b*x+a)/b^2+1/2*(d*x+c)^3*sec(b*x+a)*tan(b*x+a)/b
Time = 3.31 (sec) , antiderivative size = 311, normalized size of antiderivative = 0.92 \[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\frac {-2 i b^3 (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )-6 i d^2 \left (2 b (c+d x) \arctan \left (e^{i (a+b x)}\right )-d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )+d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )\right )+3 i d \left (b^2 (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )+2 i b d (c+d x) \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )-2 d^2 \operatorname {PolyLog}\left (4,-i e^{i (a+b x)}\right )\right )-3 i d \left (b^2 (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )+2 i b d (c+d x) \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )-2 d^2 \operatorname {PolyLog}\left (4,i e^{i (a+b x)}\right )\right )-3 b^2 d (c+d x)^2 \sec (a+b x)+b^3 (c+d x)^3 \sec (a+b x) \tan (a+b x)}{2 b^4} \] Input:
Integrate[(c + d*x)^3*Sec[a + b*x]^3,x]
Output:
((-2*I)*b^3*(c + d*x)^3*ArcTan[E^(I*(a + b*x))] - (6*I)*d^2*(2*b*(c + d*x) *ArcTan[E^(I*(a + b*x))] - d*PolyLog[2, (-I)*E^(I*(a + b*x))] + d*PolyLog[ 2, I*E^(I*(a + b*x))]) + (3*I)*d*(b^2*(c + d*x)^2*PolyLog[2, (-I)*E^(I*(a + b*x))] + (2*I)*b*d*(c + d*x)*PolyLog[3, (-I)*E^(I*(a + b*x))] - 2*d^2*Po lyLog[4, (-I)*E^(I*(a + b*x))]) - (3*I)*d*(b^2*(c + d*x)^2*PolyLog[2, I*E^ (I*(a + b*x))] + (2*I)*b*d*(c + d*x)*PolyLog[3, I*E^(I*(a + b*x))] - 2*d^2 *PolyLog[4, I*E^(I*(a + b*x))]) - 3*b^2*d*(c + d*x)^2*Sec[a + b*x] + b^3*( c + d*x)^3*Sec[a + b*x]*Tan[a + b*x])/(2*b^4)
Time = 1.27 (sec) , antiderivative size = 358, normalized size of antiderivative = 1.06, number of steps used = 11, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.625, Rules used = {3042, 4674, 3042, 4669, 2715, 2838, 3011, 7163, 2720, 7143}
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.
\(\displaystyle \int (c+d x)^3 \sec ^3(a+b x) \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int (c+d x)^3 \csc \left (a+b x+\frac {\pi }{2}\right )^3dx\) |
\(\Big \downarrow \) 4674 |
\(\displaystyle \frac {3 d^2 \int (c+d x) \sec (a+b x)dx}{b^2}+\frac {1}{2} \int (c+d x)^3 \sec (a+b x)dx-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {3 d^2 \int (c+d x) \csc \left (a+b x+\frac {\pi }{2}\right )dx}{b^2}+\frac {1}{2} \int (c+d x)^3 \csc \left (a+b x+\frac {\pi }{2}\right )dx-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 4669 |
\(\displaystyle \frac {3 d^2 \left (-\frac {d \int \log \left (1-i e^{i (a+b x)}\right )dx}{b}+\frac {d \int \log \left (1+i e^{i (a+b x)}\right )dx}{b}-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}\right )}{b^2}+\frac {1}{2} \left (-\frac {3 d \int (c+d x)^2 \log \left (1-i e^{i (a+b x)}\right )dx}{b}+\frac {3 d \int (c+d x)^2 \log \left (1+i e^{i (a+b x)}\right )dx}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 2715 |
\(\displaystyle \frac {3 d^2 \left (\frac {i d \int e^{-i (a+b x)} \log \left (1-i e^{i (a+b x)}\right )de^{i (a+b x)}}{b^2}-\frac {i d \int e^{-i (a+b x)} \log \left (1+i e^{i (a+b x)}\right )de^{i (a+b x)}}{b^2}-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}\right )}{b^2}+\frac {1}{2} \left (-\frac {3 d \int (c+d x)^2 \log \left (1-i e^{i (a+b x)}\right )dx}{b}+\frac {3 d \int (c+d x)^2 \log \left (1+i e^{i (a+b x)}\right )dx}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 2838 |
\(\displaystyle \frac {1}{2} \left (-\frac {3 d \int (c+d x)^2 \log \left (1-i e^{i (a+b x)}\right )dx}{b}+\frac {3 d \int (c+d x)^2 \log \left (1+i e^{i (a+b x)}\right )dx}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )+\frac {3 d^2 \left (-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {i d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^2}-\frac {i d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^2}\right )}{b^2}-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 3011 |
\(\displaystyle \frac {1}{2} \left (\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b}-\frac {2 i d \int (c+d x) \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )dx}{b}\right )}{b}-\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b}-\frac {2 i d \int (c+d x) \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )dx}{b}\right )}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )+\frac {3 d^2 \left (-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {i d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^2}-\frac {i d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^2}\right )}{b^2}-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 7163 |
\(\displaystyle \frac {1}{2} \left (\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {i d \int \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )dx}{b}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}-\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {i d \int \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )dx}{b}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )+\frac {3 d^2 \left (-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {i d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^2}-\frac {i d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^2}\right )}{b^2}-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 2720 |
\(\displaystyle \frac {1}{2} \left (\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {d \int e^{-i (a+b x)} \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )de^{i (a+b x)}}{b^2}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}-\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {d \int e^{-i (a+b x)} \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )de^{i (a+b x)}}{b^2}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}\right )+\frac {3 d^2 \left (-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {i d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^2}-\frac {i d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^2}\right )}{b^2}-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
\(\Big \downarrow \) 7143 |
\(\displaystyle \frac {3 d^2 \left (-\frac {2 i (c+d x) \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {i d \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b^2}-\frac {i d \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b^2}\right )}{b^2}+\frac {1}{2} \left (-\frac {2 i (c+d x)^3 \arctan \left (e^{i (a+b x)}\right )}{b}+\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,-i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {d \operatorname {PolyLog}\left (4,-i e^{i (a+b x)}\right )}{b^2}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,-i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}-\frac {3 d \left (\frac {i (c+d x)^2 \operatorname {PolyLog}\left (2,i e^{i (a+b x)}\right )}{b}-\frac {2 i d \left (\frac {d \operatorname {PolyLog}\left (4,i e^{i (a+b x)}\right )}{b^2}-\frac {i (c+d x) \operatorname {PolyLog}\left (3,i e^{i (a+b x)}\right )}{b}\right )}{b}\right )}{b}\right )-\frac {3 d (c+d x)^2 \sec (a+b x)}{2 b^2}+\frac {(c+d x)^3 \tan (a+b x) \sec (a+b x)}{2 b}\) |
Input:
Int[(c + d*x)^3*Sec[a + b*x]^3,x]
Output:
(3*d^2*(((-2*I)*(c + d*x)*ArcTan[E^(I*(a + b*x))])/b + (I*d*PolyLog[2, (-I )*E^(I*(a + b*x))])/b^2 - (I*d*PolyLog[2, I*E^(I*(a + b*x))])/b^2))/b^2 + (((-2*I)*(c + d*x)^3*ArcTan[E^(I*(a + b*x))])/b + (3*d*((I*(c + d*x)^2*Pol yLog[2, (-I)*E^(I*(a + b*x))])/b - ((2*I)*d*(((-I)*(c + d*x)*PolyLog[3, (- I)*E^(I*(a + b*x))])/b + (d*PolyLog[4, (-I)*E^(I*(a + b*x))])/b^2))/b))/b - (3*d*((I*(c + d*x)^2*PolyLog[2, I*E^(I*(a + b*x))])/b - ((2*I)*d*(((-I)* (c + d*x)*PolyLog[3, I*E^(I*(a + b*x))])/b + (d*PolyLog[4, I*E^(I*(a + b*x ))])/b^2))/b))/b)/2 - (3*d*(c + d*x)^2*Sec[a + b*x])/(2*b^2) + ((c + d*x)^ 3*Sec[a + b*x]*Tan[a + b*x])/(2*b)
Int[Log[(a_) + (b_.)*((F_)^((e_.)*((c_.) + (d_.)*(x_))))^(n_.)], x_Symbol] :> Simp[1/(d*e*n*Log[F]) Subst[Int[Log[a + b*x]/x, x], x, (F^(e*(c + d*x) ))^n], x] /; FreeQ[{F, a, b, c, d, e, n}, x] && GtQ[a, 0]
Int[u_, x_Symbol] :> With[{v = FunctionOfExponential[u, x]}, Simp[v/D[v, x] Subst[Int[FunctionOfExponentialFunction[u, x]/x, x], x, v], x]] /; Funct ionOfExponentialQ[u, x] && !MatchQ[u, (w_)*((a_.)*(v_)^(n_))^(m_) /; FreeQ [{a, m, n}, x] && IntegerQ[m*n]] && !MatchQ[u, E^((c_.)*((a_.) + (b_.)*x)) *(F_)[v_] /; FreeQ[{a, b, c}, x] && InverseFunctionQ[F[x]]]
Int[Log[(c_.)*((d_) + (e_.)*(x_)^(n_.))]/(x_), x_Symbol] :> Simp[-PolyLog[2 , (-c)*e*x^n]/n, x] /; FreeQ[{c, d, e, n}, x] && EqQ[c*d, 1]
Int[Log[1 + (e_.)*((F_)^((c_.)*((a_.) + (b_.)*(x_))))^(n_.)]*((f_.) + (g_.) *(x_))^(m_.), x_Symbol] :> Simp[(-(f + g*x)^m)*(PolyLog[2, (-e)*(F^(c*(a + b*x)))^n]/(b*c*n*Log[F])), x] + Simp[g*(m/(b*c*n*Log[F])) Int[(f + g*x)^( m - 1)*PolyLog[2, (-e)*(F^(c*(a + b*x)))^n], x], x] /; FreeQ[{F, a, b, c, e , f, g, n}, x] && GtQ[m, 0]
Int[csc[(e_.) + Pi*(k_.) + (f_.)*(x_)]*((c_.) + (d_.)*(x_))^(m_.), x_Symbol ] :> Simp[-2*(c + d*x)^m*(ArcTanh[E^(I*k*Pi)*E^(I*(e + f*x))]/f), x] + (-Si mp[d*(m/f) Int[(c + d*x)^(m - 1)*Log[1 - E^(I*k*Pi)*E^(I*(e + f*x))], x], x] + Simp[d*(m/f) Int[(c + d*x)^(m - 1)*Log[1 + E^(I*k*Pi)*E^(I*(e + f*x ))], x], x]) /; FreeQ[{c, d, e, f}, x] && IntegerQ[2*k] && IGtQ[m, 0]
Int[(csc[(e_.) + (f_.)*(x_)]*(b_.))^(n_)*((c_.) + (d_.)*(x_))^(m_), x_Symbo l] :> Simp[(-b^2)*(c + d*x)^m*Cot[e + f*x]*((b*Csc[e + f*x])^(n - 2)/(f*(n - 1))), x] + (-Simp[b^2*d*m*(c + d*x)^(m - 1)*((b*Csc[e + f*x])^(n - 2)/(f^ 2*(n - 1)*(n - 2))), x] + Simp[b^2*d^2*m*((m - 1)/(f^2*(n - 1)*(n - 2))) Int[(c + d*x)^(m - 2)*(b*Csc[e + f*x])^(n - 2), x], x] + Simp[b^2*((n - 2)/ (n - 1)) Int[(c + d*x)^m*(b*Csc[e + f*x])^(n - 2), x], x]) /; FreeQ[{b, c , d, e, f}, x] && GtQ[n, 1] && NeQ[n, 2] && GtQ[m, 1]
Int[PolyLog[n_, (c_.)*((a_.) + (b_.)*(x_))^(p_.)]/((d_.) + (e_.)*(x_)), x_S ymbol] :> Simp[PolyLog[n + 1, c*(a + b*x)^p]/(e*p), x] /; FreeQ[{a, b, c, d , e, n, p}, x] && EqQ[b*d, a*e]
Int[((e_.) + (f_.)*(x_))^(m_.)*PolyLog[n_, (d_.)*((F_)^((c_.)*((a_.) + (b_. )*(x_))))^(p_.)], x_Symbol] :> Simp[(e + f*x)^m*(PolyLog[n + 1, d*(F^(c*(a + b*x)))^p]/(b*c*p*Log[F])), x] - Simp[f*(m/(b*c*p*Log[F])) Int[(e + f*x) ^(m - 1)*PolyLog[n + 1, d*(F^(c*(a + b*x)))^p], x], x] /; FreeQ[{F, a, b, c , d, e, f, n, p}, x] && GtQ[m, 0]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1126 vs. \(2 (293 ) = 586\).
Time = 1.88 (sec) , antiderivative size = 1127, normalized size of antiderivative = 3.34
Input:
int((d*x+c)^3*sec(b*x+a)^3,x,method=_RETURNVERBOSE)
Output:
-3/b^3*d^3*ln(1+I*exp(I*(b*x+a)))*x+3/b^3*d^3*ln(1-I*exp(I*(b*x+a)))*x+3/b ^4*d^3*ln(1-I*exp(I*(b*x+a)))*a-I/b^2/(exp(2*I*(b*x+a))+1)^2*(d^3*x^3*b*ex p(3*I*(b*x+a))+3*c*d^2*x^2*b*exp(3*I*(b*x+a))+3*c^2*d*x*b*exp(3*I*(b*x+a)) -d^3*x^3*b*exp(I*(b*x+a))+b*c^3*exp(3*I*(b*x+a))-3*c*d^2*x^2*b*exp(I*(b*x+ a))-3*I*d^3*x^2*exp(3*I*(b*x+a))-3*c^2*d*x*b*exp(I*(b*x+a))-6*I*c*d^2*x*ex p(3*I*(b*x+a))-b*c^3*exp(I*(b*x+a))-3*I*c^2*d*exp(3*I*(b*x+a))-3*I*d^3*x^2 *exp(I*(b*x+a))-6*I*c*d^2*x*exp(I*(b*x+a))-3*I*c^2*d*exp(I*(b*x+a)))-3/b^3 *d^2*c*polylog(3,-I*exp(I*(b*x+a)))-1/2/b*d^3*ln(1+I*exp(I*(b*x+a)))*x^3+1 /2/b^4*a^3*d^3*ln(1-I*exp(I*(b*x+a)))+3/b^3*d^2*c*polylog(3,I*exp(I*(b*x+a )))+1/2/b*d^3*ln(1-I*exp(I*(b*x+a)))*x^3-1/2/b^4*a^3*d^3*ln(1+I*exp(I*(b*x +a)))+3/b^3*d^3*polylog(3,I*exp(I*(b*x+a)))*x-3/b^3*d^3*polylog(3,-I*exp(I *(b*x+a)))*x-3/b^4*d^3*ln(1+I*exp(I*(b*x+a)))*a-I/b*c^3*arctan(exp(I*(b*x+ a)))-3/2/b*d^2*c*ln(1+I*exp(I*(b*x+a)))*x^2+3/2/b*d^2*c*ln(1-I*exp(I*(b*x+ a)))*x^2+3/2/b*c^2*d*ln(1-I*exp(I*(b*x+a)))*x+3/2/b^2*c^2*d*ln(1-I*exp(I*( b*x+a)))*a-3/2/b^3*a^2*c*d^2*ln(1-I*exp(I*(b*x+a)))-3/2/b*c^2*d*ln(1+I*exp (I*(b*x+a)))*x-3/2/b^2*c^2*d*ln(1+I*exp(I*(b*x+a)))*a+3/2/b^3*a^2*c*d^2*ln (1+I*exp(I*(b*x+a)))-3*I/b^3*c*d^2*a^2*arctan(exp(I*(b*x+a)))+3*I/b^2*c^2* d*a*arctan(exp(I*(b*x+a)))-3*I/b^2*c*d^2*polylog(2,I*exp(I*(b*x+a)))*x+3*I /b^2*c*d^2*polylog(2,-I*exp(I*(b*x+a)))*x-3*I*d^3*polylog(2,I*exp(I*(b*x+a )))/b^4-3*I*d^3*polylog(4,-I*exp(I*(b*x+a)))/b^4+I/b^4*d^3*a^3*arctan(e...
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1315 vs. \(2 (273) = 546\).
Time = 0.16 (sec) , antiderivative size = 1315, normalized size of antiderivative = 3.90 \[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\text {Too large to display} \] Input:
integrate((d*x+c)^3*sec(b*x+a)^3,x, algorithm="fricas")
Output:
1/4*(6*I*d^3*cos(b*x + a)^2*polylog(4, I*cos(b*x + a) + sin(b*x + a)) + 6* I*d^3*cos(b*x + a)^2*polylog(4, I*cos(b*x + a) - sin(b*x + a)) - 6*I*d^3*c os(b*x + a)^2*polylog(4, -I*cos(b*x + a) + sin(b*x + a)) - 6*I*d^3*cos(b*x + a)^2*polylog(4, -I*cos(b*x + a) - sin(b*x + a)) - 3*(I*b^2*d^3*x^2 + 2* I*b^2*c*d^2*x + I*b^2*c^2*d + 2*I*d^3)*cos(b*x + a)^2*dilog(I*cos(b*x + a) + sin(b*x + a)) - 3*(I*b^2*d^3*x^2 + 2*I*b^2*c*d^2*x + I*b^2*c^2*d + 2*I* d^3)*cos(b*x + a)^2*dilog(I*cos(b*x + a) - sin(b*x + a)) - 3*(-I*b^2*d^3*x ^2 - 2*I*b^2*c*d^2*x - I*b^2*c^2*d - 2*I*d^3)*cos(b*x + a)^2*dilog(-I*cos( b*x + a) + sin(b*x + a)) - 3*(-I*b^2*d^3*x^2 - 2*I*b^2*c*d^2*x - I*b^2*c^2 *d - 2*I*d^3)*cos(b*x + a)^2*dilog(-I*cos(b*x + a) - sin(b*x + a)) + (b^3* c^3 - 3*a*b^2*c^2*d + 3*(a^2 + 2)*b*c*d^2 - (a^3 + 6*a)*d^3)*cos(b*x + a)^ 2*log(cos(b*x + a) + I*sin(b*x + a) + I) - (b^3*c^3 - 3*a*b^2*c^2*d + 3*(a ^2 + 2)*b*c*d^2 - (a^3 + 6*a)*d^3)*cos(b*x + a)^2*log(cos(b*x + a) - I*sin (b*x + a) + I) + (b^3*d^3*x^3 + 3*b^3*c*d^2*x^2 + 3*a*b^2*c^2*d - 3*a^2*b* c*d^2 + (a^3 + 6*a)*d^3 + 3*(b^3*c^2*d + 2*b*d^3)*x)*cos(b*x + a)^2*log(I* cos(b*x + a) + sin(b*x + a) + 1) - (b^3*d^3*x^3 + 3*b^3*c*d^2*x^2 + 3*a*b^ 2*c^2*d - 3*a^2*b*c*d^2 + (a^3 + 6*a)*d^3 + 3*(b^3*c^2*d + 2*b*d^3)*x)*cos (b*x + a)^2*log(I*cos(b*x + a) - sin(b*x + a) + 1) + (b^3*d^3*x^3 + 3*b^3* c*d^2*x^2 + 3*a*b^2*c^2*d - 3*a^2*b*c*d^2 + (a^3 + 6*a)*d^3 + 3*(b^3*c^2*d + 2*b*d^3)*x)*cos(b*x + a)^2*log(-I*cos(b*x + a) + sin(b*x + a) + 1) -...
\[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\int \left (c + d x\right )^{3} \sec ^{3}{\left (a + b x \right )}\, dx \] Input:
integrate((d*x+c)**3*sec(b*x+a)**3,x)
Output:
Integral((c + d*x)**3*sec(a + b*x)**3, x)
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 3831 vs. \(2 (273) = 546\).
Time = 1.12 (sec) , antiderivative size = 3831, normalized size of antiderivative = 11.37 \[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\text {Too large to display} \] Input:
integrate((d*x+c)^3*sec(b*x+a)^3,x, algorithm="maxima")
Output:
-1/4*(c^3*(2*sin(b*x + a)/(sin(b*x + a)^2 - 1) - log(sin(b*x + a) + 1) + l og(sin(b*x + a) - 1)) - 3*a*c^2*d*(2*sin(b*x + a)/(sin(b*x + a)^2 - 1) - l og(sin(b*x + a) + 1) + log(sin(b*x + a) - 1))/b + 3*a^2*c*d^2*(2*sin(b*x + a)/(sin(b*x + a)^2 - 1) - log(sin(b*x + a) + 1) + log(sin(b*x + a) - 1))/ b^2 - a^3*d^3*(2*sin(b*x + a)/(sin(b*x + a)^2 - 1) - log(sin(b*x + a) + 1) + log(sin(b*x + a) - 1))/b^3 + 4*(2*((b*x + a)^3*d^3 + 6*b*c*d^2 - 6*a*d^ 3 + 3*(b*c*d^2 - a*d^3)*(b*x + a)^2 + 3*(b^2*c^2*d - 2*a*b*c*d^2 + (a^2 + 2)*d^3)*(b*x + a) + ((b*x + a)^3*d^3 + 6*b*c*d^2 - 6*a*d^3 + 3*(b*c*d^2 - a*d^3)*(b*x + a)^2 + 3*(b^2*c^2*d - 2*a*b*c*d^2 + (a^2 + 2)*d^3)*(b*x + a) )*cos(4*b*x + 4*a) + 2*((b*x + a)^3*d^3 + 6*b*c*d^2 - 6*a*d^3 + 3*(b*c*d^2 - a*d^3)*(b*x + a)^2 + 3*(b^2*c^2*d - 2*a*b*c*d^2 + (a^2 + 2)*d^3)*(b*x + a))*cos(2*b*x + 2*a) + (I*(b*x + a)^3*d^3 + 6*I*b*c*d^2 - 6*I*a*d^3 + 3*( I*b*c*d^2 - I*a*d^3)*(b*x + a)^2 + 3*(I*b^2*c^2*d - 2*I*a*b*c*d^2 + (I*a^2 + 2*I)*d^3)*(b*x + a))*sin(4*b*x + 4*a) + 2*(I*(b*x + a)^3*d^3 + 6*I*b*c* d^2 - 6*I*a*d^3 + 3*(I*b*c*d^2 - I*a*d^3)*(b*x + a)^2 + 3*(I*b^2*c^2*d - 2 *I*a*b*c*d^2 + (I*a^2 + 2*I)*d^3)*(b*x + a))*sin(2*b*x + 2*a))*arctan2(cos (b*x + a), sin(b*x + a) + 1) + 2*((b*x + a)^3*d^3 + 6*b*c*d^2 - 6*a*d^3 + 3*(b*c*d^2 - a*d^3)*(b*x + a)^2 + 3*(b^2*c^2*d - 2*a*b*c*d^2 + (a^2 + 2)*d ^3)*(b*x + a) + ((b*x + a)^3*d^3 + 6*b*c*d^2 - 6*a*d^3 + 3*(b*c*d^2 - a*d^ 3)*(b*x + a)^2 + 3*(b^2*c^2*d - 2*a*b*c*d^2 + (a^2 + 2)*d^3)*(b*x + a))...
\[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\int { {\left (d x + c\right )}^{3} \sec \left (b x + a\right )^{3} \,d x } \] Input:
integrate((d*x+c)^3*sec(b*x+a)^3,x, algorithm="giac")
Output:
integrate((d*x + c)^3*sec(b*x + a)^3, x)
Timed out. \[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\text {Hanged} \] Input:
int((c + d*x)^3/cos(a + b*x)^3,x)
Output:
\text{Hanged}
\[ \int (c+d x)^3 \sec ^3(a+b x) \, dx=\text {too large to display} \] Input:
int((d*x+c)^3*sec(b*x+a)^3,x)
Output:
(252*cos(a + b*x)*sin(a + b*x)*b**3*c**2*d*x + 252*cos(a + b*x)*sin(a + b* x)*b**3*c*d**2*x**2 + 84*cos(a + b*x)*sin(a + b*x)*b**3*d**3*x**3 - 252*co s(a + b*x)*sin(a + b*x)*b*c*d**2 + 1044*cos(a + b*x)*sin(a + b*x)*b*d**3*x + 252*cos(a + b*x)*b**2*c**2*d + 1512*cos(a + b*x)*b**2*c*d**2*x + 756*co s(a + b*x)*b**2*d**3*x**2 - 216*cos(a + b*x)*d**3 - 224*int(x**3/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*sin(a + b*x)**2*b**4*d**3 + 224*int(x**3/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/ 2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*b**4*d**3 - 672*int(x**2/(tan((a + b *x)/2)**6 - 3*tan((a + b*x)/2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*sin(a + b*x)**2*b**4*c*d**2 + 672*int(x**2/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/ 2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*b**4*c*d**2 - 2016*int((tan((a + b*x )/2)*x**2)/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/2)**4 + 3*tan((a + b*x)/ 2)**2 - 1),x)*sin(a + b*x)**2*b**3*d**3 + 2016*int((tan((a + b*x)/2)*x**2) /(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/2)**4 + 3*tan((a + b*x)/2)**2 - 1) ,x)*b**3*d**3 - 4032*int((tan((a + b*x)/2)*x)/(tan((a + b*x)/2)**6 - 3*tan ((a + b*x)/2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*sin(a + b*x)**2*b**3*c*d* *2 + 4032*int((tan((a + b*x)/2)*x)/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/ 2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*b**3*c*d**2 - 672*int(x/(tan((a + b* x)/2)**6 - 3*tan((a + b*x)/2)**4 + 3*tan((a + b*x)/2)**2 - 1),x)*sin(a + b *x)**2*b**4*c**2*d - 3456*int(x/(tan((a + b*x)/2)**6 - 3*tan((a + b*x)/...