3.249 \(\int \tan (c+d x) (a+b \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx\)
Optimal. Leaf size=165 \[ \frac {b \left (a^2 A-2 a b B-A b^2\right ) \tan (c+d x)}{d}-\frac {\left (a^3 A-3 a^2 b B-3 a A b^2+b^3 B\right ) \log (\cos (c+d x))}{d}-x \left (a^3 B+3 a^2 A b-3 a b^2 B-A b^3\right )+\frac {(a A-b B) (a+b \tan (c+d x))^2}{2 d}+\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d} \]
[Out]
-(3*A*a^2*b-A*b^3+B*a^3-3*B*a*b^2)*x-(A*a^3-3*A*a*b^2-3*B*a^2*b+B*b^3)*ln(cos(d*x+c))/d+b*(A*a^2-A*b^2-2*B*a*b
)*tan(d*x+c)/d+1/2*(A*a-B*b)*(a+b*tan(d*x+c))^2/d+1/3*A*(a+b*tan(d*x+c))^3/d+1/4*B*(a+b*tan(d*x+c))^4/b/d
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Rubi [A] time = 0.19, antiderivative size = 165, normalized size of antiderivative = 1.00,
number of steps used = 5, number of rules used = 4, integrand size = 29, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.138, Rules used =
{3592, 3528, 3525, 3475} \[ \frac {b \left (a^2 A-2 a b B-A b^2\right ) \tan (c+d x)}{d}-\frac {\left (a^3 A-3 a^2 b B-3 a A b^2+b^3 B\right ) \log (\cos (c+d x))}{d}-x \left (3 a^2 A b+a^3 B-3 a b^2 B-A b^3\right )+\frac {(a A-b B) (a+b \tan (c+d x))^2}{2 d}+\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d} \]
Antiderivative was successfully verified.
[In]
Int[Tan[c + d*x]*(a + b*Tan[c + d*x])^3*(A + B*Tan[c + d*x]),x]
[Out]
-((3*a^2*A*b - A*b^3 + a^3*B - 3*a*b^2*B)*x) - ((a^3*A - 3*a*A*b^2 - 3*a^2*b*B + b^3*B)*Log[Cos[c + d*x]])/d +
(b*(a^2*A - A*b^2 - 2*a*b*B)*Tan[c + d*x])/d + ((a*A - b*B)*(a + b*Tan[c + d*x])^2)/(2*d) + (A*(a + b*Tan[c +
d*x])^3)/(3*d) + (B*(a + b*Tan[c + d*x])^4)/(4*b*d)
Rule 3475
Int[tan[(c_.) + (d_.)*(x_)], x_Symbol] :> -Simp[Log[RemoveContent[Cos[c + d*x], x]]/d, x] /; FreeQ[{c, d}, x]
Rule 3525
Int[((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])*((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)]), x_Symbol] :> Simp[(a*c - b
*d)*x, x] + (Dist[b*c + a*d, Int[Tan[e + f*x], x], x] + Simp[(b*d*Tan[e + f*x])/f, x]) /; FreeQ[{a, b, c, d, e
, f}, x] && NeQ[b*c - a*d, 0] && NeQ[b*c + a*d, 0]
Rule 3528
Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*tan[(e_.) + (f_.)*(x_)]), x_Symbol] :> Simp[(d
*(a + b*Tan[e + f*x])^m)/(f*m), x] + Int[(a + b*Tan[e + f*x])^(m - 1)*Simp[a*c - b*d + (b*c + a*d)*Tan[e + f*x
], x], x] /; FreeQ[{a, b, c, d, e, f}, x] && NeQ[b*c - a*d, 0] && NeQ[a^2 + b^2, 0] && GtQ[m, 0]
Rule 3592
Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_.)*((A_.) + (B_.)*tan[(e_.) + (f_.)*(x_)])*((c_.) + (d_.)*tan[(
e_.) + (f_.)*(x_)]), x_Symbol] :> Simp[(B*d*(a + b*Tan[e + f*x])^(m + 1))/(b*f*(m + 1)), x] + Int[(a + b*Tan[e
+ f*x])^m*Simp[A*c - B*d + (B*c + A*d)*Tan[e + f*x], x], x] /; FreeQ[{a, b, c, d, e, f, A, B, m}, x] && NeQ[b
*c - a*d, 0] && !LeQ[m, -1]
Rubi steps
\begin {align*} \int \tan (c+d x) (a+b \tan (c+d x))^3 (A+B \tan (c+d x)) \, dx &=\frac {B (a+b \tan (c+d x))^4}{4 b d}+\int (-B+A \tan (c+d x)) (a+b \tan (c+d x))^3 \, dx\\ &=\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d}+\int (a+b \tan (c+d x))^2 (-A b-a B+(a A-b B) \tan (c+d x)) \, dx\\ &=\frac {(a A-b B) (a+b \tan (c+d x))^2}{2 d}+\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d}+\int (a+b \tan (c+d x)) \left (-2 a A b-a^2 B+b^2 B+\left (a^2 A-A b^2-2 a b B\right ) \tan (c+d x)\right ) \, dx\\ &=-\left (3 a^2 A b-A b^3+a^3 B-3 a b^2 B\right ) x+\frac {b \left (a^2 A-A b^2-2 a b B\right ) \tan (c+d x)}{d}+\frac {(a A-b B) (a+b \tan (c+d x))^2}{2 d}+\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d}+\left (a^3 A-3 a A b^2-3 a^2 b B+b^3 B\right ) \int \tan (c+d x) \, dx\\ &=-\left (3 a^2 A b-A b^3+a^3 B-3 a b^2 B\right ) x-\frac {\left (a^3 A-3 a A b^2-3 a^2 b B+b^3 B\right ) \log (\cos (c+d x))}{d}+\frac {b \left (a^2 A-A b^2-2 a b B\right ) \tan (c+d x)}{d}+\frac {(a A-b B) (a+b \tan (c+d x))^2}{2 d}+\frac {A (a+b \tan (c+d x))^3}{3 d}+\frac {B (a+b \tan (c+d x))^4}{4 b d}\\ \end {align*}
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Mathematica [C] time = 1.49, size = 209, normalized size = 1.27 \[ \frac {-12 A b^2 \left (b^2-6 a^2\right ) \tan (c+d x)+24 a A b^3 \tan ^2(c+d x)-6 (a A+b B) \left (6 a b^2 \tan (c+d x)+(-b+i a)^3 \log (-\tan (c+d x)+i)-(b+i a)^3 \log (\tan (c+d x)+i)+b^3 \tan ^2(c+d x)\right )+6 i A (a-i b)^4 \log (\tan (c+d x)+i)-6 i A (a+i b)^4 \log (-\tan (c+d x)+i)+3 B (a+b \tan (c+d x))^4+4 A b^4 \tan ^3(c+d x)}{12 b d} \]
Antiderivative was successfully verified.
[In]
Integrate[Tan[c + d*x]*(a + b*Tan[c + d*x])^3*(A + B*Tan[c + d*x]),x]
[Out]
((-6*I)*A*(a + I*b)^4*Log[I - Tan[c + d*x]] + (6*I)*A*(a - I*b)^4*Log[I + Tan[c + d*x]] - 12*A*b^2*(-6*a^2 + b
^2)*Tan[c + d*x] + 24*a*A*b^3*Tan[c + d*x]^2 + 4*A*b^4*Tan[c + d*x]^3 + 3*B*(a + b*Tan[c + d*x])^4 - 6*(a*A +
b*B)*((I*a - b)^3*Log[I - Tan[c + d*x]] - (I*a + b)^3*Log[I + Tan[c + d*x]] + 6*a*b^2*Tan[c + d*x] + b^3*Tan[c
+ d*x]^2))/(12*b*d)
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fricas [A] time = 0.65, size = 178, normalized size = 1.08 \[ \frac {3 \, B b^{3} \tan \left (d x + c\right )^{4} + 4 \, {\left (3 \, B a b^{2} + A b^{3}\right )} \tan \left (d x + c\right )^{3} - 12 \, {\left (B a^{3} + 3 \, A a^{2} b - 3 \, B a b^{2} - A b^{3}\right )} d x + 6 \, {\left (3 \, B a^{2} b + 3 \, A a b^{2} - B b^{3}\right )} \tan \left (d x + c\right )^{2} - 6 \, {\left (A a^{3} - 3 \, B a^{2} b - 3 \, A a b^{2} + B b^{3}\right )} \log \left (\frac {1}{\tan \left (d x + c\right )^{2} + 1}\right ) + 12 \, {\left (B a^{3} + 3 \, A a^{2} b - 3 \, B a b^{2} - A b^{3}\right )} \tan \left (d x + c\right )}{12 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(tan(d*x+c)*(a+b*tan(d*x+c))^3*(A+B*tan(d*x+c)),x, algorithm="fricas")
[Out]
1/12*(3*B*b^3*tan(d*x + c)^4 + 4*(3*B*a*b^2 + A*b^3)*tan(d*x + c)^3 - 12*(B*a^3 + 3*A*a^2*b - 3*B*a*b^2 - A*b^
3)*d*x + 6*(3*B*a^2*b + 3*A*a*b^2 - B*b^3)*tan(d*x + c)^2 - 6*(A*a^3 - 3*B*a^2*b - 3*A*a*b^2 + B*b^3)*log(1/(t
an(d*x + c)^2 + 1)) + 12*(B*a^3 + 3*A*a^2*b - 3*B*a*b^2 - A*b^3)*tan(d*x + c))/d
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giac [B] time = 4.25, size = 2870, normalized size = 17.39 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(tan(d*x+c)*(a+b*tan(d*x+c))^3*(A+B*tan(d*x+c)),x, algorithm="giac")
[Out]
-1/12*(12*B*a^3*d*x*tan(d*x)^4*tan(c)^4 + 36*A*a^2*b*d*x*tan(d*x)^4*tan(c)^4 - 36*B*a*b^2*d*x*tan(d*x)^4*tan(c
)^4 - 12*A*b^3*d*x*tan(d*x)^4*tan(c)^4 + 6*A*a^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2
*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^4*tan(c)^4 - 18*B*a^2*b*log(4*(tan(d*
x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1)
)*tan(d*x)^4*tan(c)^4 - 18*A*a*b^2*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + ta
n(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^4*tan(c)^4 + 6*B*b^3*log(4*(tan(d*x)^4*tan(c)^2 - 2
*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^4*tan(
c)^4 - 48*B*a^3*d*x*tan(d*x)^3*tan(c)^3 - 144*A*a^2*b*d*x*tan(d*x)^3*tan(c)^3 + 144*B*a*b^2*d*x*tan(d*x)^3*tan
(c)^3 + 48*A*b^3*d*x*tan(d*x)^3*tan(c)^3 - 18*B*a^2*b*tan(d*x)^4*tan(c)^4 - 18*A*a*b^2*tan(d*x)^4*tan(c)^4 + 9
*B*b^3*tan(d*x)^4*tan(c)^4 - 24*A*a^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 +
tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^3*tan(c)^3 + 72*B*a^2*b*log(4*(tan(d*x)^4*tan(c)
^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^
3*tan(c)^3 + 72*A*a*b^2*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 -
2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^3*tan(c)^3 - 24*B*b^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^
3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^3*tan(c)^3 + 12*
B*a^3*tan(d*x)^4*tan(c)^3 + 36*A*a^2*b*tan(d*x)^4*tan(c)^3 - 36*B*a*b^2*tan(d*x)^4*tan(c)^3 - 12*A*b^3*tan(d*x
)^4*tan(c)^3 + 12*B*a^3*tan(d*x)^3*tan(c)^4 + 36*A*a^2*b*tan(d*x)^3*tan(c)^4 - 36*B*a*b^2*tan(d*x)^3*tan(c)^4
- 12*A*b^3*tan(d*x)^3*tan(c)^4 + 72*B*a^3*d*x*tan(d*x)^2*tan(c)^2 + 216*A*a^2*b*d*x*tan(d*x)^2*tan(c)^2 - 216*
B*a*b^2*d*x*tan(d*x)^2*tan(c)^2 - 72*A*b^3*d*x*tan(d*x)^2*tan(c)^2 - 18*B*a^2*b*tan(d*x)^4*tan(c)^2 - 18*A*a*b
^2*tan(d*x)^4*tan(c)^2 + 6*B*b^3*tan(d*x)^4*tan(c)^2 + 36*B*a^2*b*tan(d*x)^3*tan(c)^3 + 36*A*a*b^2*tan(d*x)^3*
tan(c)^3 - 24*B*b^3*tan(d*x)^3*tan(c)^3 - 18*B*a^2*b*tan(d*x)^2*tan(c)^4 - 18*A*a*b^2*tan(d*x)^2*tan(c)^4 + 6*
B*b^3*tan(d*x)^2*tan(c)^4 + 12*B*a*b^2*tan(d*x)^4*tan(c) + 4*A*b^3*tan(d*x)^4*tan(c) + 36*A*a^3*log(4*(tan(d*x
)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))
*tan(d*x)^2*tan(c)^2 - 108*B*a^2*b*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + ta
n(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^2*tan(c)^2 - 108*A*a*b^2*log(4*(tan(d*x)^4*tan(c)^2
- 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^2*
tan(c)^2 + 36*B*b^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*ta
n(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)^2*tan(c)^2 - 36*B*a^3*tan(d*x)^3*tan(c)^2 - 108*A*a^2*b*tan(d*x)^3
*tan(c)^2 + 144*B*a*b^2*tan(d*x)^3*tan(c)^2 + 48*A*b^3*tan(d*x)^3*tan(c)^2 - 36*B*a^3*tan(d*x)^2*tan(c)^3 - 10
8*A*a^2*b*tan(d*x)^2*tan(c)^3 + 144*B*a*b^2*tan(d*x)^2*tan(c)^3 + 48*A*b^3*tan(d*x)^2*tan(c)^3 + 12*B*a*b^2*ta
n(d*x)*tan(c)^4 + 4*A*b^3*tan(d*x)*tan(c)^4 - 3*B*b^3*tan(d*x)^4 - 48*B*a^3*d*x*tan(d*x)*tan(c) - 144*A*a^2*b*
d*x*tan(d*x)*tan(c) + 144*B*a*b^2*d*x*tan(d*x)*tan(c) + 48*A*b^3*d*x*tan(d*x)*tan(c) + 36*B*a^2*b*tan(d*x)^3*t
an(c) + 36*A*a*b^2*tan(d*x)^3*tan(c) - 24*B*b^3*tan(d*x)^3*tan(c) - 36*B*a^2*b*tan(d*x)^2*tan(c)^2 - 36*A*a*b^
2*tan(d*x)^2*tan(c)^2 + 12*B*b^3*tan(d*x)^2*tan(c)^2 + 36*B*a^2*b*tan(d*x)*tan(c)^3 + 36*A*a*b^2*tan(d*x)*tan(
c)^3 - 24*B*b^3*tan(d*x)*tan(c)^3 - 3*B*b^3*tan(c)^4 - 12*B*a*b^2*tan(d*x)^3 - 4*A*b^3*tan(d*x)^3 - 24*A*a^3*l
og(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(t
an(c)^2 + 1))*tan(d*x)*tan(c) + 72*B*a^2*b*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c
)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)*tan(c) + 72*A*a*b^2*log(4*(tan(d*x)^4*tan(c
)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)
*tan(c) - 24*B*b^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan
(d*x)*tan(c) + 1)/(tan(c)^2 + 1))*tan(d*x)*tan(c) + 36*B*a^3*tan(d*x)^2*tan(c) + 108*A*a^2*b*tan(d*x)^2*tan(c)
- 144*B*a*b^2*tan(d*x)^2*tan(c) - 48*A*b^3*tan(d*x)^2*tan(c) + 36*B*a^3*tan(d*x)*tan(c)^2 + 108*A*a^2*b*tan(d
*x)*tan(c)^2 - 144*B*a*b^2*tan(d*x)*tan(c)^2 - 48*A*b^3*tan(d*x)*tan(c)^2 - 12*B*a*b^2*tan(c)^3 - 4*A*b^3*tan(
c)^3 + 12*B*a^3*d*x + 36*A*a^2*b*d*x - 36*B*a*b^2*d*x - 12*A*b^3*d*x - 18*B*a^2*b*tan(d*x)^2 - 18*A*a*b^2*tan(
d*x)^2 + 6*B*b^3*tan(d*x)^2 + 36*B*a^2*b*tan(d*x)*tan(c) + 36*A*a*b^2*tan(d*x)*tan(c) - 24*B*b^3*tan(d*x)*tan(
c) - 18*B*a^2*b*tan(c)^2 - 18*A*a*b^2*tan(c)^2 + 6*B*b^3*tan(c)^2 + 6*A*a^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan
(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1)) - 18*B*a^2*b*log(4*
(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)
^2 + 1)) - 18*A*a*b^2*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*tan(c)^2 + tan(d*x)^2 - 2*
tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1)) + 6*B*b^3*log(4*(tan(d*x)^4*tan(c)^2 - 2*tan(d*x)^3*tan(c) + tan(d*x)^2*t
an(c)^2 + tan(d*x)^2 - 2*tan(d*x)*tan(c) + 1)/(tan(c)^2 + 1)) - 12*B*a^3*tan(d*x) - 36*A*a^2*b*tan(d*x) + 36*B
*a*b^2*tan(d*x) + 12*A*b^3*tan(d*x) - 12*B*a^3*tan(c) - 36*A*a^2*b*tan(c) + 36*B*a*b^2*tan(c) + 12*A*b^3*tan(c
) - 18*B*a^2*b - 18*A*a*b^2 + 9*B*b^3)/(d*tan(d*x)^4*tan(c)^4 - 4*d*tan(d*x)^3*tan(c)^3 + 6*d*tan(d*x)^2*tan(c
)^2 - 4*d*tan(d*x)*tan(c) + d)
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maple [A] time = 0.02, size = 314, normalized size = 1.90 \[ \frac {b^{3} B \left (\tan ^{4}\left (d x +c \right )\right )}{4 d}+\frac {A \left (\tan ^{3}\left (d x +c \right )\right ) b^{3}}{3 d}+\frac {B \left (\tan ^{3}\left (d x +c \right )\right ) a \,b^{2}}{d}+\frac {3 A \left (\tan ^{2}\left (d x +c \right )\right ) a \,b^{2}}{2 d}+\frac {3 B \left (\tan ^{2}\left (d x +c \right )\right ) a^{2} b}{2 d}-\frac {b^{3} B \left (\tan ^{2}\left (d x +c \right )\right )}{2 d}+\frac {3 A \tan \left (d x +c \right ) a^{2} b}{d}-\frac {A \tan \left (d x +c \right ) b^{3}}{d}+\frac {a^{3} B \tan \left (d x +c \right )}{d}-\frac {3 B \tan \left (d x +c \right ) a \,b^{2}}{d}+\frac {\ln \left (1+\tan ^{2}\left (d x +c \right )\right ) A \,a^{3}}{2 d}-\frac {3 \ln \left (1+\tan ^{2}\left (d x +c \right )\right ) A a \,b^{2}}{2 d}-\frac {3 \ln \left (1+\tan ^{2}\left (d x +c \right )\right ) a^{2} b B}{2 d}+\frac {\ln \left (1+\tan ^{2}\left (d x +c \right )\right ) b^{3} B}{2 d}-\frac {3 A \arctan \left (\tan \left (d x +c \right )\right ) a^{2} b}{d}+\frac {A \arctan \left (\tan \left (d x +c \right )\right ) b^{3}}{d}-\frac {B \arctan \left (\tan \left (d x +c \right )\right ) a^{3}}{d}+\frac {3 B \arctan \left (\tan \left (d x +c \right )\right ) a \,b^{2}}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
int(tan(d*x+c)*(a+b*tan(d*x+c))^3*(A+B*tan(d*x+c)),x)
[Out]
1/4/d*b^3*B*tan(d*x+c)^4+1/3/d*A*tan(d*x+c)^3*b^3+1/d*B*tan(d*x+c)^3*a*b^2+3/2/d*A*tan(d*x+c)^2*a*b^2+3/2/d*B*
tan(d*x+c)^2*a^2*b-1/2/d*b^3*B*tan(d*x+c)^2+3/d*A*tan(d*x+c)*a^2*b-1/d*A*tan(d*x+c)*b^3+1/d*a^3*B*tan(d*x+c)-3
/d*B*tan(d*x+c)*a*b^2+1/2/d*ln(1+tan(d*x+c)^2)*A*a^3-3/2/d*ln(1+tan(d*x+c)^2)*A*a*b^2-3/2/d*ln(1+tan(d*x+c)^2)
*a^2*b*B+1/2/d*ln(1+tan(d*x+c)^2)*b^3*B-3/d*A*arctan(tan(d*x+c))*a^2*b+1/d*A*arctan(tan(d*x+c))*b^3-1/d*B*arct
an(tan(d*x+c))*a^3+3/d*B*arctan(tan(d*x+c))*a*b^2
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maxima [A] time = 0.67, size = 179, normalized size = 1.08 \[ \frac {3 \, B b^{3} \tan \left (d x + c\right )^{4} + 4 \, {\left (3 \, B a b^{2} + A b^{3}\right )} \tan \left (d x + c\right )^{3} + 6 \, {\left (3 \, B a^{2} b + 3 \, A a b^{2} - B b^{3}\right )} \tan \left (d x + c\right )^{2} - 12 \, {\left (B a^{3} + 3 \, A a^{2} b - 3 \, B a b^{2} - A b^{3}\right )} {\left (d x + c\right )} + 6 \, {\left (A a^{3} - 3 \, B a^{2} b - 3 \, A a b^{2} + B b^{3}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right ) + 12 \, {\left (B a^{3} + 3 \, A a^{2} b - 3 \, B a b^{2} - A b^{3}\right )} \tan \left (d x + c\right )}{12 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(tan(d*x+c)*(a+b*tan(d*x+c))^3*(A+B*tan(d*x+c)),x, algorithm="maxima")
[Out]
1/12*(3*B*b^3*tan(d*x + c)^4 + 4*(3*B*a*b^2 + A*b^3)*tan(d*x + c)^3 + 6*(3*B*a^2*b + 3*A*a*b^2 - B*b^3)*tan(d*
x + c)^2 - 12*(B*a^3 + 3*A*a^2*b - 3*B*a*b^2 - A*b^3)*(d*x + c) + 6*(A*a^3 - 3*B*a^2*b - 3*A*a*b^2 + B*b^3)*lo
g(tan(d*x + c)^2 + 1) + 12*(B*a^3 + 3*A*a^2*b - 3*B*a*b^2 - A*b^3)*tan(d*x + c))/d
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mupad [B] time = 6.33, size = 181, normalized size = 1.10 \[ x\,\left (-B\,a^3-3\,A\,a^2\,b+3\,B\,a\,b^2+A\,b^3\right )-\frac {{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (\frac {B\,b^3}{2}-\frac {3\,a\,b\,\left (A\,b+B\,a\right )}{2}\right )}{d}-\frac {\mathrm {tan}\left (c+d\,x\right )\,\left (-B\,a^3-3\,A\,a^2\,b+3\,B\,a\,b^2+A\,b^3\right )}{d}+\frac {\ln \left ({\mathrm {tan}\left (c+d\,x\right )}^2+1\right )\,\left (\frac {A\,a^3}{2}-\frac {3\,B\,a^2\,b}{2}-\frac {3\,A\,a\,b^2}{2}+\frac {B\,b^3}{2}\right )}{d}+\frac {{\mathrm {tan}\left (c+d\,x\right )}^3\,\left (\frac {A\,b^3}{3}+B\,a\,b^2\right )}{d}+\frac {B\,b^3\,{\mathrm {tan}\left (c+d\,x\right )}^4}{4\,d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
int(tan(c + d*x)*(A + B*tan(c + d*x))*(a + b*tan(c + d*x))^3,x)
[Out]
x*(A*b^3 - B*a^3 - 3*A*a^2*b + 3*B*a*b^2) - (tan(c + d*x)^2*((B*b^3)/2 - (3*a*b*(A*b + B*a))/2))/d - (tan(c +
d*x)*(A*b^3 - B*a^3 - 3*A*a^2*b + 3*B*a*b^2))/d + (log(tan(c + d*x)^2 + 1)*((A*a^3)/2 + (B*b^3)/2 - (3*A*a*b^2
)/2 - (3*B*a^2*b)/2))/d + (tan(c + d*x)^3*((A*b^3)/3 + B*a*b^2))/d + (B*b^3*tan(c + d*x)^4)/(4*d)
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sympy [A] time = 0.66, size = 311, normalized size = 1.88 \[ \begin {cases} \frac {A a^{3} \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 d} - 3 A a^{2} b x + \frac {3 A a^{2} b \tan {\left (c + d x \right )}}{d} - \frac {3 A a b^{2} \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 d} + \frac {3 A a b^{2} \tan ^{2}{\left (c + d x \right )}}{2 d} + A b^{3} x + \frac {A b^{3} \tan ^{3}{\left (c + d x \right )}}{3 d} - \frac {A b^{3} \tan {\left (c + d x \right )}}{d} - B a^{3} x + \frac {B a^{3} \tan {\left (c + d x \right )}}{d} - \frac {3 B a^{2} b \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 d} + \frac {3 B a^{2} b \tan ^{2}{\left (c + d x \right )}}{2 d} + 3 B a b^{2} x + \frac {B a b^{2} \tan ^{3}{\left (c + d x \right )}}{d} - \frac {3 B a b^{2} \tan {\left (c + d x \right )}}{d} + \frac {B b^{3} \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 d} + \frac {B b^{3} \tan ^{4}{\left (c + d x \right )}}{4 d} - \frac {B b^{3} \tan ^{2}{\left (c + d x \right )}}{2 d} & \text {for}\: d \neq 0 \\x \left (A + B \tan {\relax (c )}\right ) \left (a + b \tan {\relax (c )}\right )^{3} \tan {\relax (c )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate(tan(d*x+c)*(a+b*tan(d*x+c))**3*(A+B*tan(d*x+c)),x)
[Out]
Piecewise((A*a**3*log(tan(c + d*x)**2 + 1)/(2*d) - 3*A*a**2*b*x + 3*A*a**2*b*tan(c + d*x)/d - 3*A*a*b**2*log(t
an(c + d*x)**2 + 1)/(2*d) + 3*A*a*b**2*tan(c + d*x)**2/(2*d) + A*b**3*x + A*b**3*tan(c + d*x)**3/(3*d) - A*b**
3*tan(c + d*x)/d - B*a**3*x + B*a**3*tan(c + d*x)/d - 3*B*a**2*b*log(tan(c + d*x)**2 + 1)/(2*d) + 3*B*a**2*b*t
an(c + d*x)**2/(2*d) + 3*B*a*b**2*x + B*a*b**2*tan(c + d*x)**3/d - 3*B*a*b**2*tan(c + d*x)/d + B*b**3*log(tan(
c + d*x)**2 + 1)/(2*d) + B*b**3*tan(c + d*x)**4/(4*d) - B*b**3*tan(c + d*x)**2/(2*d), Ne(d, 0)), (x*(A + B*tan
(c))*(a + b*tan(c))**3*tan(c), True))
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