3.37 \(\int (b \cot ^p(c+d x))^n \, dx\)

Optimal. Leaf size=60 \[ -\frac {\cot (c+d x) \left (b \cot ^p(c+d x)\right )^n \, _2F_1\left (1,\frac {1}{2} (n p+1);\frac {1}{2} (n p+3);-\cot ^2(c+d x)\right )}{d (n p+1)} \]

[Out]

-cot(d*x+c)*(b*cot(d*x+c)^p)^n*hypergeom([1, 1/2*n*p+1/2],[1/2*n*p+3/2],-cot(d*x+c)^2)/d/(n*p+1)

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Rubi [A]  time = 0.04, antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {3659, 3476, 364} \[ -\frac {\cot (c+d x) \left (b \cot ^p(c+d x)\right )^n \, _2F_1\left (1,\frac {1}{2} (n p+1);\frac {1}{2} (n p+3);-\cot ^2(c+d x)\right )}{d (n p+1)} \]

Antiderivative was successfully verified.

[In]

Int[(b*Cot[c + d*x]^p)^n,x]

[Out]

-((Cot[c + d*x]*(b*Cot[c + d*x]^p)^n*Hypergeometric2F1[1, (1 + n*p)/2, (3 + n*p)/2, -Cot[c + d*x]^2])/(d*(1 +
n*p)))

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])

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 3659

Int[(u_.)*((b_.)*((c_.)*tan[(e_.) + (f_.)*(x_)])^(n_))^(p_), x_Symbol] :> Dist[(b^IntPart[p]*(b*(c*Tan[e + f*x
])^n)^FracPart[p])/(c*Tan[e + f*x])^(n*FracPart[p]), Int[ActivateTrig[u]*(c*Tan[e + f*x])^(n*p), x], x] /; Fre
eQ[{b, c, e, f, n, p}, x] &&  !IntegerQ[p] &&  !IntegerQ[n] && (EqQ[u, 1] || MatchQ[u, ((d_.)*(trig_)[e + f*x]
)^(m_.) /; FreeQ[{d, m}, x] && MemberQ[{sin, cos, tan, cot, sec, csc}, trig]])

Rubi steps

\begin {align*} \int \left (b \cot ^p(c+d x)\right )^n \, dx &=\left (\cot ^{-n p}(c+d x) \left (b \cot ^p(c+d x)\right )^n\right ) \int \cot ^{n p}(c+d x) \, dx\\ &=-\frac {\left (\cot ^{-n p}(c+d x) \left (b \cot ^p(c+d x)\right )^n\right ) \operatorname {Subst}\left (\int \frac {x^{n p}}{1+x^2} \, dx,x,\cot (c+d x)\right )}{d}\\ &=-\frac {\cot (c+d x) \left (b \cot ^p(c+d x)\right )^n \, _2F_1\left (1,\frac {1}{2} (1+n p);\frac {1}{2} (3+n p);-\cot ^2(c+d x)\right )}{d (1+n p)}\\ \end {align*}

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Mathematica [A]  time = 0.06, size = 58, normalized size = 0.97 \[ -\frac {\cot (c+d x) \left (b \cot ^p(c+d x)\right )^n \, _2F_1\left (1,\frac {1}{2} (n p+1);\frac {1}{2} (n p+3);-\cot ^2(c+d x)\right )}{d n p+d} \]

Antiderivative was successfully verified.

[In]

Integrate[(b*Cot[c + d*x]^p)^n,x]

[Out]

-((Cot[c + d*x]*(b*Cot[c + d*x]^p)^n*Hypergeometric2F1[1, (1 + n*p)/2, (3 + n*p)/2, -Cot[c + d*x]^2])/(d + d*n
*p))

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fricas [F]  time = 1.20, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\left (b \cot \left (d x + c\right )^{p}\right )^{n}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*cot(d*x+c)^p)^n,x, algorithm="fricas")

[Out]

integral((b*cot(d*x + c)^p)^n, x)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \left (b \cot \left (d x + c\right )^{p}\right )^{n}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*cot(d*x+c)^p)^n,x, algorithm="giac")

[Out]

integrate((b*cot(d*x + c)^p)^n, x)

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maple [F(-1)]  time = 180.00, size = 0, normalized size = 0.00 \[ \int \left (b \left (\cot ^{p}\left (d x +c \right )\right )\right )^{n}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*cot(d*x+c)^p)^n,x)

[Out]

int((b*cot(d*x+c)^p)^n,x)

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \left (b \cot \left (d x + c\right )^{p}\right )^{n}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*cot(d*x+c)^p)^n,x, algorithm="maxima")

[Out]

integrate((b*cot(d*x + c)^p)^n, x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.02 \[ \int {\left (b\,{\mathrm {cot}\left (c+d\,x\right )}^p\right )}^n \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*cot(c + d*x)^p)^n,x)

[Out]

int((b*cot(c + d*x)^p)^n, x)

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \left (b \cot ^{p}{\left (c + d x \right )}\right )^{n}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*cot(d*x+c)**p)**n,x)

[Out]

Integral((b*cot(c + d*x)**p)**n, x)

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