3.481 \(\int \tan ^m(c+d x) (a+b \tan (c+d x))^2 (A+B \tan (c+d x)) \, dx\)

Optimal. Leaf size=194 \[ \frac{\left (a^2 A-2 a b B-A b^2\right ) \tan ^{m+1}(c+d x) \text{Hypergeometric2F1}\left (1,\frac{m+1}{2},\frac{m+3}{2},-\tan ^2(c+d x)\right )}{d (m+1)}+\frac{\left (a^2 B+2 a A b-b^2 B\right ) \tan ^{m+2}(c+d x) \text{Hypergeometric2F1}\left (1,\frac{m+2}{2},\frac{m+4}{2},-\tan ^2(c+d x)\right )}{d (m+2)}+\frac{b (a B (m+3)+A b (m+2)) \tan ^{m+1}(c+d x)}{d (m+1) (m+2)}+\frac{b B \tan ^{m+1}(c+d x) (a+b \tan (c+d x))}{d (m+2)} \]

[Out]

(b*(A*b*(2 + m) + a*B*(3 + m))*Tan[c + d*x]^(1 + m))/(d*(1 + m)*(2 + m)) + ((a^2*A - A*b^2 - 2*a*b*B)*Hypergeo
metric2F1[1, (1 + m)/2, (3 + m)/2, -Tan[c + d*x]^2]*Tan[c + d*x]^(1 + m))/(d*(1 + m)) + ((2*a*A*b + a^2*B - b^
2*B)*Hypergeometric2F1[1, (2 + m)/2, (4 + m)/2, -Tan[c + d*x]^2]*Tan[c + d*x]^(2 + m))/(d*(2 + m)) + (b*B*Tan[
c + d*x]^(1 + m)*(a + b*Tan[c + d*x]))/(d*(2 + m))

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Rubi [A]  time = 0.332491, antiderivative size = 194, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 5, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.161, Rules used = {3607, 3630, 3538, 3476, 364} \[ \frac{\left (a^2 A-2 a b B-A b^2\right ) \tan ^{m+1}(c+d x) \, _2F_1\left (1,\frac{m+1}{2};\frac{m+3}{2};-\tan ^2(c+d x)\right )}{d (m+1)}+\frac{\left (a^2 B+2 a A b-b^2 B\right ) \tan ^{m+2}(c+d x) \, _2F_1\left (1,\frac{m+2}{2};\frac{m+4}{2};-\tan ^2(c+d x)\right )}{d (m+2)}+\frac{b (a B (m+3)+A b (m+2)) \tan ^{m+1}(c+d x)}{d (m+1) (m+2)}+\frac{b B \tan ^{m+1}(c+d x) (a+b \tan (c+d x))}{d (m+2)} \]

Antiderivative was successfully verified.

[In]

Int[Tan[c + d*x]^m*(a + b*Tan[c + d*x])^2*(A + B*Tan[c + d*x]),x]

[Out]

(b*(A*b*(2 + m) + a*B*(3 + m))*Tan[c + d*x]^(1 + m))/(d*(1 + m)*(2 + m)) + ((a^2*A - A*b^2 - 2*a*b*B)*Hypergeo
metric2F1[1, (1 + m)/2, (3 + m)/2, -Tan[c + d*x]^2]*Tan[c + d*x]^(1 + m))/(d*(1 + m)) + ((2*a*A*b + a^2*B - b^
2*B)*Hypergeometric2F1[1, (2 + m)/2, (4 + m)/2, -Tan[c + d*x]^2]*Tan[c + d*x]^(2 + m))/(d*(2 + m)) + (b*B*Tan[
c + d*x]^(1 + m)*(a + b*Tan[c + d*x]))/(d*(2 + m))

Rule 3607

Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((A_.) + (B_.)*tan[(e_.) + (f_.)*(x_)])*((c_.) + (d_.)*tan[(e
_.) + (f_.)*(x_)])^(n_), x_Symbol] :> Simp[(b*B*(a + b*Tan[e + f*x])^(m - 1)*(c + d*Tan[e + f*x])^(n + 1))/(d*
f*(m + n)), x] + Dist[1/(d*(m + n)), Int[(a + b*Tan[e + f*x])^(m - 2)*(c + d*Tan[e + f*x])^n*Simp[a^2*A*d*(m +
n) - b*B*(b*c*(m - 1) + a*d*(n + 1)) + d*(m + n)*(2*a*A*b + B*(a^2 - b^2))*Tan[e + f*x] - (b*B*(b*c - a*d)*(m
- 1) - b*(A*b + a*B)*d*(m + n))*Tan[e + f*x]^2, x], x], x] /; FreeQ[{a, b, c, d, e, f, A, B, n}, x] && NeQ[b*
c - a*d, 0] && NeQ[a^2 + b^2, 0] && NeQ[c^2 + d^2, 0] && GtQ[m, 1] && (IntegerQ[m] || IntegersQ[2*m, 2*n]) &&
!(IGtQ[n, 1] && ( !IntegerQ[m] || (EqQ[c, 0] && NeQ[a, 0])))

Rule 3630

Int[((a_.) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_.)*((A_.) + (B_.)*tan[(e_.) + (f_.)*(x_)] + (C_.)*tan[(e_.) + (
f_.)*(x_)]^2), x_Symbol] :> Simp[(C*(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*Tan[e + f*x], x], x] /; FreeQ[{a, b, e, f, A, B, C, m}, x] && NeQ[A*b^2 - a*b*B + a^2*C, 0]
&&  !LeQ[m, -1]

Rule 3538

Int[((b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_) + (d_.)*tan[(e_.) + (f_.)*(x_)]), x_Symbol] :> Dist[c, Int[(b*T
an[e + f*x])^m, x], x] + Dist[d/b, Int[(b*Tan[e + f*x])^(m + 1), x], x] /; FreeQ[{b, c, d, e, f, m}, x] && NeQ
[c^2 + d^2, 0] &&  !IntegerQ[2*m]

Rule 3476

Int[((b_.)*tan[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Dist[b/d, Subst[Int[x^n/(b^2 + x^2), x], x, b*Tan[c + d
*x]], x] /; FreeQ[{b, c, d, n}, x] &&  !IntegerQ[n]

Rule 364

Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[(a^p*(c*x)^(m + 1)*Hypergeometric2F1[-
p, (m + 1)/n, (m + 1)/n + 1, -((b*x^n)/a)])/(c*(m + 1)), x] /; FreeQ[{a, b, c, m, n, p}, x] &&  !IGtQ[p, 0] &&
(ILtQ[p, 0] || GtQ[a, 0])

Rubi steps

\begin{align*} \int \tan ^m(c+d x) (a+b \tan (c+d x))^2 (A+B \tan (c+d x)) \, dx &=\frac{b B \tan ^{1+m}(c+d x) (a+b \tan (c+d x))}{d (2+m)}+\frac{\int \tan ^m(c+d x) \left (-a (b B (1+m)-a A (2+m))+\left (2 a A b+a^2 B-b^2 B\right ) (2+m) \tan (c+d x)+b (A b (2+m)+a B (3+m)) \tan ^2(c+d x)\right ) \, dx}{2+m}\\ &=\frac{b (A b (2+m)+a B (3+m)) \tan ^{1+m}(c+d x)}{d (1+m) (2+m)}+\frac{b B \tan ^{1+m}(c+d x) (a+b \tan (c+d x))}{d (2+m)}+\frac{\int \tan ^m(c+d x) \left (\left (a^2 A-A b^2-2 a b B\right ) (2+m)+\left (2 a A b+a^2 B-b^2 B\right ) (2+m) \tan (c+d x)\right ) \, dx}{2+m}\\ &=\frac{b (A b (2+m)+a B (3+m)) \tan ^{1+m}(c+d x)}{d (1+m) (2+m)}+\frac{b B \tan ^{1+m}(c+d x) (a+b \tan (c+d x))}{d (2+m)}+\left (a^2 A-A b^2-2 a b B\right ) \int \tan ^m(c+d x) \, dx+\left (2 a A b+a^2 B-b^2 B\right ) \int \tan ^{1+m}(c+d x) \, dx\\ &=\frac{b (A b (2+m)+a B (3+m)) \tan ^{1+m}(c+d x)}{d (1+m) (2+m)}+\frac{b B \tan ^{1+m}(c+d x) (a+b \tan (c+d x))}{d (2+m)}+\frac{\left (a^2 A-A b^2-2 a b B\right ) \operatorname{Subst}\left (\int \frac{x^m}{1+x^2} \, dx,x,\tan (c+d x)\right )}{d}+\frac{\left (2 a A b+a^2 B-b^2 B\right ) \operatorname{Subst}\left (\int \frac{x^{1+m}}{1+x^2} \, dx,x,\tan (c+d x)\right )}{d}\\ &=\frac{b (A b (2+m)+a B (3+m)) \tan ^{1+m}(c+d x)}{d (1+m) (2+m)}+\frac{\left (a^2 A-A b^2-2 a b B\right ) \, _2F_1\left (1,\frac{1+m}{2};\frac{3+m}{2};-\tan ^2(c+d x)\right ) \tan ^{1+m}(c+d x)}{d (1+m)}+\frac{\left (2 a A b+a^2 B-b^2 B\right ) \, _2F_1\left (1,\frac{2+m}{2};\frac{4+m}{2};-\tan ^2(c+d x)\right ) \tan ^{2+m}(c+d x)}{d (2+m)}+\frac{b B \tan ^{1+m}(c+d x) (a+b \tan (c+d x))}{d (2+m)}\\ \end{align*}

Mathematica [A]  time = 0.671962, size = 155, normalized size = 0.8 \[ \frac{\tan ^{m+1}(c+d x) \left (\frac{(m+2) \left (a^2 A-2 a b B-A b^2\right ) \text{Hypergeometric2F1}\left (1,\frac{m+1}{2},\frac{m+3}{2},-\tan ^2(c+d x)\right )}{m+1}+\left (a^2 B+2 a A b-b^2 B\right ) \tan (c+d x) \text{Hypergeometric2F1}\left (1,\frac{m+2}{2},\frac{m+4}{2},-\tan ^2(c+d x)\right )+\frac{b (a B (m+3)+A b (m+2))}{m+1}+b B (a+b \tan (c+d x))\right )}{d (m+2)} \]

Antiderivative was successfully verified.

[In]

Integrate[Tan[c + d*x]^m*(a + b*Tan[c + d*x])^2*(A + B*Tan[c + d*x]),x]

[Out]

(Tan[c + d*x]^(1 + m)*((b*(A*b*(2 + m) + a*B*(3 + m)))/(1 + m) + ((a^2*A - A*b^2 - 2*a*b*B)*(2 + m)*Hypergeome
tric2F1[1, (1 + m)/2, (3 + m)/2, -Tan[c + d*x]^2])/(1 + m) + (2*a*A*b + a^2*B - b^2*B)*Hypergeometric2F1[1, (2
+ m)/2, (4 + m)/2, -Tan[c + d*x]^2]*Tan[c + d*x] + b*B*(a + b*Tan[c + d*x])))/(d*(2 + m))

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Maple [F]  time = 0.354, size = 0, normalized size = 0. \begin{align*} \int \left ( \tan \left ( dx+c \right ) \right ) ^{m} \left ( a+b\tan \left ( dx+c \right ) \right ) ^{2} \left ( A+B\tan \left ( dx+c \right ) \right ) \, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(tan(d*x+c)^m*(a+b*tan(d*x+c))^2*(A+B*tan(d*x+c)),x)

[Out]

int(tan(d*x+c)^m*(a+b*tan(d*x+c))^2*(A+B*tan(d*x+c)),x)

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (B \tan \left (d x + c\right ) + A\right )}{\left (b \tan \left (d x + c\right ) + a\right )}^{2} \tan \left (d x + c\right )^{m}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(d*x+c)^m*(a+b*tan(d*x+c))^2*(A+B*tan(d*x+c)),x, algorithm="maxima")

[Out]

integrate((B*tan(d*x + c) + A)*(b*tan(d*x + c) + a)^2*tan(d*x + c)^m, x)

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Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (B b^{2} \tan \left (d x + c\right )^{3} + A a^{2} +{\left (2 \, B a b + A b^{2}\right )} \tan \left (d x + c\right )^{2} +{\left (B a^{2} + 2 \, A a b\right )} \tan \left (d x + c\right )\right )} \tan \left (d x + c\right )^{m}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(d*x+c)^m*(a+b*tan(d*x+c))^2*(A+B*tan(d*x+c)),x, algorithm="fricas")

[Out]

integral((B*b^2*tan(d*x + c)^3 + A*a^2 + (2*B*a*b + A*b^2)*tan(d*x + c)^2 + (B*a^2 + 2*A*a*b)*tan(d*x + c))*ta
n(d*x + c)^m, x)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (A + B \tan{\left (c + d x \right )}\right ) \left (a + b \tan{\left (c + d x \right )}\right )^{2} \tan ^{m}{\left (c + d x \right )}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(d*x+c)**m*(a+b*tan(d*x+c))**2*(A+B*tan(d*x+c)),x)

[Out]

Integral((A + B*tan(c + d*x))*(a + b*tan(c + d*x))**2*tan(c + d*x)**m, x)

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (B \tan \left (d x + c\right ) + A\right )}{\left (b \tan \left (d x + c\right ) + a\right )}^{2} \tan \left (d x + c\right )^{m}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(tan(d*x+c)^m*(a+b*tan(d*x+c))^2*(A+B*tan(d*x+c)),x, algorithm="giac")

[Out]

integrate((B*tan(d*x + c) + A)*(b*tan(d*x + c) + a)^2*tan(d*x + c)^m, x)