3.1.34 \(\int (x^2)^{7/2} \, dx\)

Optimal. Leaf size=14 \[ \frac {1}{8} x^7 \sqrt {x^2} \]

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Rubi [A]  time = 0.00, antiderivative size = 14, normalized size of antiderivative = 1.00, 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} \begin {gather*} \frac {1}{8} x^7 \sqrt {x^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(x^2)^(7/2),x]

[Out]

(x^7*Sqrt[x^2])/8

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 (x^2\right )^{7/2} \, dx &=\frac {\sqrt {x^2} \int x^7 \, dx}{x}\\ &=\frac {1}{8} x^7 \sqrt {x^2}\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 12, normalized size = 0.86 \begin {gather*} \frac {1}{8} x \left (x^2\right )^{7/2} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(x^2)^(7/2),x]

[Out]

(x*(x^2)^(7/2))/8

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IntegrateAlgebraic [A]  time = 1.51, size = 12, normalized size = 0.86 \begin {gather*} \frac {1}{8} x \left (x^2\right )^{7/2} \end {gather*}

Antiderivative was successfully verified.

[In]

IntegrateAlgebraic[(x^2)^(7/2),x]

[Out]

(x*(x^2)^(7/2))/8

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fricas [A]  time = 0.85, size = 5, normalized size = 0.36 \begin {gather*} \frac {1}{8} \, x^{8} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^2)^(7/2),x, algorithm="fricas")

[Out]

1/8*x^8

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giac [A]  time = 0.41, size = 7, normalized size = 0.50 \begin {gather*} \frac {1}{8} \, x^{8} \mathrm {sgn}\relax (x) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^2)^(7/2),x, algorithm="giac")

[Out]

1/8*x^8*sgn(x)

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maple [A]  time = 0.00, size = 9, normalized size = 0.64 \begin {gather*} \frac {\left (x^{2}\right )^{\frac {7}{2}} x}{8} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((x^2)^(7/2),x)

[Out]

1/8*x*(x^2)^(7/2)

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maxima [A]  time = 1.30, size = 8, normalized size = 0.57 \begin {gather*} \frac {1}{8} \, {\left (x^{2}\right )}^{\frac {7}{2}} x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x^2)^(7/2),x, algorithm="maxima")

[Out]

1/8*(x^2)^(7/2)*x

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mupad [F]  time = 0.00, size = -1, normalized size = -0.07 \begin {gather*} \int {\left (x^2\right )}^{7/2} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((x^2)^(7/2),x)

[Out]

int((x^2)^(7/2), x)

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sympy [A]  time = 0.07, size = 3, normalized size = 0.21 \begin {gather*} \frac {x^{8}}{8} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((x**2)**(7/2),x)

[Out]

x**8/8

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