3.443 \(\int x^{-1-n (-1+p)-q} (b x^n+a x^q)^p \, dx\)

Optimal. Leaf size=84 \[ \frac {x^{n (-p)+n-q} \left (\frac {b x^{n-q}}{a}+1\right )^{-p} \left (a x^q+b x^n\right )^p \, _2F_1\left (1-p,-p;2-p;-\frac {b x^{n-q}}{a}\right )}{(1-p) (n-q)} \]

[Out]

x^(-n*p+n-q)*(b*x^n+a*x^q)^p*hypergeom([-p, 1-p],[2-p],-b*x^(n-q)/a)/(1-p)/(n-q)/((1+b*x^(n-q)/a)^p)

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Rubi [A]  time = 0.08, antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 27, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {2032, 365, 364} \[ \frac {x^{n (-p)+n-q} \left (\frac {b x^{n-q}}{a}+1\right )^{-p} \left (a x^q+b x^n\right )^p \, _2F_1\left (1-p,-p;2-p;-\frac {b x^{n-q}}{a}\right )}{(1-p) (n-q)} \]

Antiderivative was successfully verified.

[In]

Int[x^(-1 - n*(-1 + p) - q)*(b*x^n + a*x^q)^p,x]

[Out]

(x^(n - n*p - q)*(b*x^n + a*x^q)^p*Hypergeometric2F1[1 - p, -p, 2 - p, -((b*x^(n - q))/a)])/((1 - p)*(n - q)*(
1 + (b*x^(n - q))/a)^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 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 2032

Int[((c_.)*(x_))^(m_.)*((a_.)*(x_)^(j_.) + (b_.)*(x_)^(n_.))^(p_), x_Symbol] :> Dist[(c^IntPart[m]*(c*x)^FracP
art[m]*(a*x^j + b*x^n)^FracPart[p])/(x^(FracPart[m] + j*FracPart[p])*(a + b*x^(n - j))^FracPart[p]), Int[x^(m
+ j*p)*(a + b*x^(n - j))^p, x], x] /; FreeQ[{a, b, c, j, m, n, p}, x] &&  !IntegerQ[p] && NeQ[n, j] && PosQ[n
- j]

Rubi steps

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

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Mathematica [A]  time = 0.15, size = 83, normalized size = 0.99 \[ -\frac {x^{n (-p)+n-q} \left (\frac {b x^{n-q}}{a}+1\right )^{-p} \left (a x^q+b x^n\right )^p \, _2F_1\left (1-p,-p;2-p;-\frac {b x^{n-q}}{a}\right )}{(p-1) (n-q)} \]

Antiderivative was successfully verified.

[In]

Integrate[x^(-1 - n*(-1 + p) - q)*(b*x^n + a*x^q)^p,x]

[Out]

-((x^(n - n*p - q)*(b*x^n + a*x^q)^p*Hypergeometric2F1[1 - p, -p, 2 - p, -((b*x^(n - q))/a)])/((-1 + p)*(n - q
)*(1 + (b*x^(n - q))/a)^p))

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fricas [F]  time = 0.62, size = 0, normalized size = 0.00 \[ {\rm integral}\left ({\left (b x^{n} + a x^{q}\right )}^{p} x^{-n p + n - q - 1}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(-1-n*(-1+p)-q)*(b*x^n+a*x^q)^p,x, algorithm="fricas")

[Out]

integral((b*x^n + a*x^q)^p*x^(-n*p + n - q - 1), x)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b x^{n} + a x^{q}\right )}^{p} x^{-n {\left (p - 1\right )} - q - 1}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(-1-n*(-1+p)-q)*(b*x^n+a*x^q)^p,x, algorithm="giac")

[Out]

integrate((b*x^n + a*x^q)^p*x^(-n*(p - 1) - q - 1), x)

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maple [F]  time = 0.80, size = 0, normalized size = 0.00 \[ \int x^{-\left (p -1\right ) n -q -1} \left (a \,x^{q}+b \,x^{n}\right )^{p}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^(-1-n*(p-1)-q)*(a*x^q+b*x^n)^p,x)

[Out]

int(x^(-1-n*(p-1)-q)*(a*x^q+b*x^n)^p,x)

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b x^{n} + a x^{q}\right )}^{p} x^{-n {\left (p - 1\right )} - q - 1}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^(-1-n*(-1+p)-q)*(b*x^n+a*x^q)^p,x, algorithm="maxima")

[Out]

integrate((b*x^n + a*x^q)^p*x^(-n*(p - 1) - q - 1), x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\left (b\,x^n+a\,x^q\right )}^p}{x^{q+n\,\left (p-1\right )+1}} \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^n + a*x^q)^p/x^(q + n*(p - 1) + 1),x)

[Out]

int((b*x^n + a*x^q)^p/x^(q + n*(p - 1) + 1), x)

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sympy [F(-1)]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**(-1-n*(-1+p)-q)*(b*x**n+a*x**q)**p,x)

[Out]

Timed out

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