3.72 \(\int (b x^2)^p \, dx\)

Optimal. Leaf size=16 \[ \frac{x \left (b x^2\right )^p}{2 p+1} \]

[Out]

(x*(b*x^2)^p)/(1 + 2*p)

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Rubi [A]  time = 0.0043056, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 7, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.286, Rules used = {15, 30} \[ \frac{x \left (b x^2\right )^p}{2 p+1} \]

Antiderivative was successfully verified.

[In]

Int[(b*x^2)^p,x]

[Out]

(x*(b*x^2)^p)/(1 + 2*p)

Rule 15

Int[(u_.)*((a_.)*(x_)^(n_))^(m_), x_Symbol] :> Dist[(a^IntPart[m]*(a*x^n)^FracPart[m])/x^(n*FracPart[m]), Int[
u*x^(m*n), x], x] /; FreeQ[{a, m, n}, x] &&  !IntegerQ[m]

Rule 30

Int[(x_)^(m_.), x_Symbol] :> Simp[x^(m + 1)/(m + 1), x] /; FreeQ[m, x] && NeQ[m, -1]

Rubi steps

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

Mathematica [A]  time = 0.0014472, size = 16, normalized size = 1. \[ \frac{x \left (b x^2\right )^p}{2 p+1} \]

Antiderivative was successfully verified.

[In]

Integrate[(b*x^2)^p,x]

[Out]

(x*(b*x^2)^p)/(1 + 2*p)

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Maple [A]  time = 0., size = 17, normalized size = 1.1 \begin{align*}{\frac{x \left ( b{x}^{2} \right ) ^{p}}{1+2\,p}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^2)^p,x)

[Out]

x*(b*x^2)^p/(1+2*p)

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Maxima [A]  time = 1.10206, size = 23, normalized size = 1.44 \begin{align*} \frac{b^{p} x x^{2 \, p}}{2 \, p + 1} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2)^p,x, algorithm="maxima")

[Out]

b^p*x*x^(2*p)/(2*p + 1)

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Fricas [A]  time = 1.78947, size = 31, normalized size = 1.94 \begin{align*} \frac{\left (b x^{2}\right )^{p} x}{2 \, p + 1} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2)^p,x, algorithm="fricas")

[Out]

(b*x^2)^p*x/(2*p + 1)

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Sympy [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x**2)**p,x)

[Out]

Exception raised: TypeError

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Giac [A]  time = 1.15349, size = 22, normalized size = 1.38 \begin{align*} \frac{\left (b x^{2}\right )^{p} x}{2 \, p + 1} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^2)^p,x, algorithm="giac")

[Out]

(b*x^2)^p*x/(2*p + 1)