3.1036 \(\int \frac {(a+b x^4)^{3/4}}{x^8} \, dx\)

Optimal. Leaf size=21 \[ -\frac {\left (a+b x^4\right )^{7/4}}{7 a x^7} \]

[Out]

-1/7*(b*x^4+a)^(7/4)/a/x^7

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Rubi [A]  time = 0.00, antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {264} \[ -\frac {\left (a+b x^4\right )^{7/4}}{7 a x^7} \]

Antiderivative was successfully verified.

[In]

Int[(a + b*x^4)^(3/4)/x^8,x]

[Out]

-(a + b*x^4)^(7/4)/(7*a*x^7)

Rule 264

Int[((c_.)*(x_))^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[((c*x)^(m + 1)*(a + b*x^n)^(p + 1))/(a
*c*(m + 1)), x] /; FreeQ[{a, b, c, m, n, p}, x] && EqQ[(m + 1)/n + p + 1, 0] && NeQ[m, -1]

Rubi steps

\begin {align*} \int \frac {\left (a+b x^4\right )^{3/4}}{x^8} \, dx &=-\frac {\left (a+b x^4\right )^{7/4}}{7 a x^7}\\ \end {align*}

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Mathematica [A]  time = 0.01, size = 21, normalized size = 1.00 \[ -\frac {\left (a+b x^4\right )^{7/4}}{7 a x^7} \]

Antiderivative was successfully verified.

[In]

Integrate[(a + b*x^4)^(3/4)/x^8,x]

[Out]

-1/7*(a + b*x^4)^(7/4)/(a*x^7)

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fricas [A]  time = 1.23, size = 17, normalized size = 0.81 \[ -\frac {{\left (b x^{4} + a\right )}^{\frac {7}{4}}}{7 \, a x^{7}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^4+a)^(3/4)/x^8,x, algorithm="fricas")

[Out]

-1/7*(b*x^4 + a)^(7/4)/(a*x^7)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {{\left (b x^{4} + a\right )}^{\frac {3}{4}}}{x^{8}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^4+a)^(3/4)/x^8,x, algorithm="giac")

[Out]

integrate((b*x^4 + a)^(3/4)/x^8, x)

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maple [A]  time = 0.00, size = 18, normalized size = 0.86 \[ -\frac {\left (b \,x^{4}+a \right )^{\frac {7}{4}}}{7 a \,x^{7}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x^4+a)^(3/4)/x^8,x)

[Out]

-1/7*(b*x^4+a)^(7/4)/a/x^7

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maxima [A]  time = 1.36, size = 17, normalized size = 0.81 \[ -\frac {{\left (b x^{4} + a\right )}^{\frac {7}{4}}}{7 \, a x^{7}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x^4+a)^(3/4)/x^8,x, algorithm="maxima")

[Out]

-1/7*(b*x^4 + a)^(7/4)/(a*x^7)

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mupad [B]  time = 1.25, size = 17, normalized size = 0.81 \[ -\frac {{\left (b\,x^4+a\right )}^{7/4}}{7\,a\,x^7} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*x^4)^(3/4)/x^8,x)

[Out]

-(a + b*x^4)^(7/4)/(7*a*x^7)

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sympy [B]  time = 3.18, size = 68, normalized size = 3.24 \[ \frac {b^{\frac {3}{4}} \left (\frac {a}{b x^{4}} + 1\right )^{\frac {3}{4}} \Gamma \left (- \frac {7}{4}\right )}{4 x^{4} \Gamma \left (- \frac {3}{4}\right )} + \frac {b^{\frac {7}{4}} \left (\frac {a}{b x^{4}} + 1\right )^{\frac {3}{4}} \Gamma \left (- \frac {7}{4}\right )}{4 a \Gamma \left (- \frac {3}{4}\right )} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x**4+a)**(3/4)/x**8,x)

[Out]

b**(3/4)*(a/(b*x**4) + 1)**(3/4)*gamma(-7/4)/(4*x**4*gamma(-3/4)) + b**(7/4)*(a/(b*x**4) + 1)**(3/4)*gamma(-7/
4)/(4*a*gamma(-3/4))

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