3.246 \(\int \frac{(b x^2+c x^4)^{3/2}}{x^{13}} \, dx\)

Optimal. Leaf size=80 \[ -\frac{8 c^2 \left (b x^2+c x^4\right )^{5/2}}{315 b^3 x^{10}}+\frac{4 c \left (b x^2+c x^4\right )^{5/2}}{63 b^2 x^{12}}-\frac{\left (b x^2+c x^4\right )^{5/2}}{9 b x^{14}} \]

[Out]

-(b*x^2 + c*x^4)^(5/2)/(9*b*x^14) + (4*c*(b*x^2 + c*x^4)^(5/2))/(63*b^2*x^12) - (8*c^2*(b*x^2 + c*x^4)^(5/2))/
(315*b^3*x^10)

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Rubi [A]  time = 0.140599, antiderivative size = 80, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.105, Rules used = {2016, 2014} \[ -\frac{8 c^2 \left (b x^2+c x^4\right )^{5/2}}{315 b^3 x^{10}}+\frac{4 c \left (b x^2+c x^4\right )^{5/2}}{63 b^2 x^{12}}-\frac{\left (b x^2+c x^4\right )^{5/2}}{9 b x^{14}} \]

Antiderivative was successfully verified.

[In]

Int[(b*x^2 + c*x^4)^(3/2)/x^13,x]

[Out]

-(b*x^2 + c*x^4)^(5/2)/(9*b*x^14) + (4*c*(b*x^2 + c*x^4)^(5/2))/(63*b^2*x^12) - (8*c^2*(b*x^2 + c*x^4)^(5/2))/
(315*b^3*x^10)

Rule 2016

Int[((c_.)*(x_))^(m_.)*((a_.)*(x_)^(j_.) + (b_.)*(x_)^(n_.))^(p_), x_Symbol] :> Simp[(c^(j - 1)*(c*x)^(m - j +
1)*(a*x^j + b*x^n)^(p + 1))/(a*(m + j*p + 1)), x] - Dist[(b*(m + n*p + n - j + 1))/(a*c^(n - j)*(m + j*p + 1)
), Int[(c*x)^(m + n - j)*(a*x^j + b*x^n)^p, x], x] /; FreeQ[{a, b, c, j, m, n, p}, x] &&  !IntegerQ[p] && NeQ[
n, j] && ILtQ[Simplify[(m + n*p + n - j + 1)/(n - j)], 0] && NeQ[m + j*p + 1, 0] && (IntegersQ[j, n] || GtQ[c,
0])

Rule 2014

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

Rubi steps

\begin{align*} \int \frac{\left (b x^2+c x^4\right )^{3/2}}{x^{13}} \, dx &=-\frac{\left (b x^2+c x^4\right )^{5/2}}{9 b x^{14}}-\frac{(4 c) \int \frac{\left (b x^2+c x^4\right )^{3/2}}{x^{11}} \, dx}{9 b}\\ &=-\frac{\left (b x^2+c x^4\right )^{5/2}}{9 b x^{14}}+\frac{4 c \left (b x^2+c x^4\right )^{5/2}}{63 b^2 x^{12}}+\frac{\left (8 c^2\right ) \int \frac{\left (b x^2+c x^4\right )^{3/2}}{x^9} \, dx}{63 b^2}\\ &=-\frac{\left (b x^2+c x^4\right )^{5/2}}{9 b x^{14}}+\frac{4 c \left (b x^2+c x^4\right )^{5/2}}{63 b^2 x^{12}}-\frac{8 c^2 \left (b x^2+c x^4\right )^{5/2}}{315 b^3 x^{10}}\\ \end{align*}

Mathematica [A]  time = 0.0150695, size = 46, normalized size = 0.57 \[ -\frac{\left (x^2 \left (b+c x^2\right )\right )^{5/2} \left (35 b^2-20 b c x^2+8 c^2 x^4\right )}{315 b^3 x^{14}} \]

Antiderivative was successfully verified.

[In]

Integrate[(b*x^2 + c*x^4)^(3/2)/x^13,x]

[Out]

-((x^2*(b + c*x^2))^(5/2)*(35*b^2 - 20*b*c*x^2 + 8*c^2*x^4))/(315*b^3*x^14)

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Maple [A]  time = 0.046, size = 50, normalized size = 0.6 \begin{align*} -{\frac{ \left ( c{x}^{2}+b \right ) \left ( 8\,{c}^{2}{x}^{4}-20\,bc{x}^{2}+35\,{b}^{2} \right ) }{315\,{x}^{12}{b}^{3}} \left ( c{x}^{4}+b{x}^{2} \right ) ^{{\frac{3}{2}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((c*x^4+b*x^2)^(3/2)/x^13,x)

[Out]

-1/315*(c*x^2+b)*(8*c^2*x^4-20*b*c*x^2+35*b^2)*(c*x^4+b*x^2)^(3/2)/x^12/b^3

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c*x^4+b*x^2)^(3/2)/x^13,x, algorithm="maxima")

[Out]

Exception raised: ValueError

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Fricas [A]  time = 1.3423, size = 142, normalized size = 1.78 \begin{align*} -\frac{{\left (8 \, c^{4} x^{8} - 4 \, b c^{3} x^{6} + 3 \, b^{2} c^{2} x^{4} + 50 \, b^{3} c x^{2} + 35 \, b^{4}\right )} \sqrt{c x^{4} + b x^{2}}}{315 \, b^{3} x^{10}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c*x^4+b*x^2)^(3/2)/x^13,x, algorithm="fricas")

[Out]

-1/315*(8*c^4*x^8 - 4*b*c^3*x^6 + 3*b^2*c^2*x^4 + 50*b^3*c*x^2 + 35*b^4)*sqrt(c*x^4 + b*x^2)/(b^3*x^10)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (x^{2} \left (b + c x^{2}\right )\right )^{\frac{3}{2}}}{x^{13}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c*x**4+b*x**2)**(3/2)/x**13,x)

[Out]

Integral((x**2*(b + c*x**2))**(3/2)/x**13, x)

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Giac [B]  time = 1.34965, size = 278, normalized size = 3.48 \begin{align*} \frac{16 \,{\left (210 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{12} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) + 315 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{10} b c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) + 441 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{8} b^{2} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) + 126 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{6} b^{3} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) + 36 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{4} b^{4} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) - 9 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{2} b^{5} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right ) + b^{6} c^{\frac{9}{2}} \mathrm{sgn}\left (x\right )\right )}}{315 \,{\left ({\left (\sqrt{c} x - \sqrt{c x^{2} + b}\right )}^{2} - b\right )}^{9}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c*x^4+b*x^2)^(3/2)/x^13,x, algorithm="giac")

[Out]

16/315*(210*(sqrt(c)*x - sqrt(c*x^2 + b))^12*c^(9/2)*sgn(x) + 315*(sqrt(c)*x - sqrt(c*x^2 + b))^10*b*c^(9/2)*s
gn(x) + 441*(sqrt(c)*x - sqrt(c*x^2 + b))^8*b^2*c^(9/2)*sgn(x) + 126*(sqrt(c)*x - sqrt(c*x^2 + b))^6*b^3*c^(9/
2)*sgn(x) + 36*(sqrt(c)*x - sqrt(c*x^2 + b))^4*b^4*c^(9/2)*sgn(x) - 9*(sqrt(c)*x - sqrt(c*x^2 + b))^2*b^5*c^(9
/2)*sgn(x) + b^6*c^(9/2)*sgn(x))/((sqrt(c)*x - sqrt(c*x^2 + b))^2 - b)^9