3.3047 \(\int x^2 (a+b (c x^q)^n)^p \, dx\)

Optimal. Leaf size=73 \[ \frac{1}{3} x^3 \left (a+b \left (c x^q\right )^n\right )^p \left (\frac{b \left (c x^q\right )^n}{a}+1\right )^{-p} \, _2F_1\left (-p,\frac{3}{n q};1+\frac{3}{n q};-\frac{b \left (c x^q\right )^n}{a}\right ) \]

[Out]

(x^3*(a + b*(c*x^q)^n)^p*Hypergeometric2F1[-p, 3/(n*q), 1 + 3/(n*q), -((b*(c*x^q)^n)/a)])/(3*(1 + (b*(c*x^q)^n
)/a)^p)

________________________________________________________________________________________

Rubi [A]  time = 0.0293813, antiderivative size = 73, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176, Rules used = {370, 365, 364} \[ \frac{1}{3} x^3 \left (a+b \left (c x^q\right )^n\right )^p \left (\frac{b \left (c x^q\right )^n}{a}+1\right )^{-p} \, _2F_1\left (-p,\frac{3}{n q};1+\frac{3}{n q};-\frac{b \left (c x^q\right )^n}{a}\right ) \]

Antiderivative was successfully verified.

[In]

Int[x^2*(a + b*(c*x^q)^n)^p,x]

[Out]

(x^3*(a + b*(c*x^q)^n)^p*Hypergeometric2F1[-p, 3/(n*q), 1 + 3/(n*q), -((b*(c*x^q)^n)/a)])/(3*(1 + (b*(c*x^q)^n
)/a)^p)

Rule 370

Int[((d_.)*(x_))^(m_.)*((a_) + (b_.)*((c_.)*(x_)^(q_))^(n_))^(p_.), x_Symbol] :> Subst[Int[(d*x)^m*(a + b*c^n*
x^(n*q))^p, x], x^(n*q), (c*x^q)^n/c^n] /; FreeQ[{a, b, c, d, m, n, p, q}, x] &&  !RationalQ[n]

Rule 365

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

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

Mathematica [A]  time = 0.0813474, size = 73, normalized size = 1. \[ \frac{1}{3} x^3 \left (a+b \left (c x^q\right )^n\right )^p \left (\frac{b \left (c x^q\right )^n}{a}+1\right )^{-p} \, _2F_1\left (-p,\frac{3}{n q};1+\frac{3}{n q};-\frac{b \left (c x^q\right )^n}{a}\right ) \]

Antiderivative was successfully verified.

[In]

Integrate[x^2*(a + b*(c*x^q)^n)^p,x]

[Out]

(x^3*(a + b*(c*x^q)^n)^p*Hypergeometric2F1[-p, 3/(n*q), 1 + 3/(n*q), -((b*(c*x^q)^n)/a)])/(3*(1 + (b*(c*x^q)^n
)/a)^p)

________________________________________________________________________________________

Maple [F]  time = 0.845, size = 0, normalized size = 0. \begin{align*} \int{x}^{2} \left ( a+b \left ( c{x}^{q} \right ) ^{n} \right ) ^{p}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^2*(a+b*(c*x^q)^n)^p,x)

[Out]

int(x^2*(a+b*(c*x^q)^n)^p,x)

________________________________________________________________________________________

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*(c*x^q)^n)^p,x, algorithm="maxima")

[Out]

integrate(((c*x^q)^n*b + a)^p*x^2, x)

________________________________________________________________________________________

Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (\left (c x^{q}\right )^{n} b + a\right )}^{p} x^{2}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*(c*x^q)^n)^p,x, algorithm="fricas")

[Out]

integral(((c*x^q)^n*b + a)^p*x^2, x)

________________________________________________________________________________________

Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{2} \left (a + b \left (c x^{q}\right )^{n}\right )^{p}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**2*(a+b*(c*x**q)**n)**p,x)

[Out]

Integral(x**2*(a + b*(c*x**q)**n)**p, x)

________________________________________________________________________________________

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^2*(a+b*(c*x^q)^n)^p,x, algorithm="giac")

[Out]

integrate(((c*x^q)^n*b + a)^p*x^2, x)