3.10.97 \(\int \frac {1}{(c x)^{11/2} (a+b x^2)^{5/4}} \, dx\) [997]

Optimal. Leaf size=157 \[ -\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}+\frac {16 b^{5/2} \sqrt [4]{1+\frac {a}{b x^2}} \sqrt {c x} E\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{3 a^{7/2} c^6 \sqrt [4]{a+b x^2}} \]

[Out]

-2/9/a/c/(c*x)^(9/2)/(b*x^2+a)^(1/4)+4/9*b/a^2/c^3/(c*x)^(5/2)/(b*x^2+a)^(1/4)-8/3*b^2/a^3/c^5/(b*x^2+a)^(1/4)
/(c*x)^(1/2)+16/3*b^(5/2)*(1+a/b/x^2)^(1/4)*(cos(1/2*arccot(x*b^(1/2)/a^(1/2)))^2)^(1/2)/cos(1/2*arccot(x*b^(1
/2)/a^(1/2)))*EllipticE(sin(1/2*arccot(x*b^(1/2)/a^(1/2))),2^(1/2))*(c*x)^(1/2)/a^(7/2)/c^6/(b*x^2+a)^(1/4)

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Rubi [A]
time = 0.05, antiderivative size = 157, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.210, Rules used = {292, 290, 342, 202} \begin {gather*} \frac {16 b^{5/2} \sqrt {c x} \sqrt [4]{\frac {a}{b x^2}+1} E\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{3 a^{7/2} c^6 \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[1/((c*x)^(11/2)*(a + b*x^2)^(5/4)),x]

[Out]

-2/(9*a*c*(c*x)^(9/2)*(a + b*x^2)^(1/4)) + (4*b)/(9*a^2*c^3*(c*x)^(5/2)*(a + b*x^2)^(1/4)) - (8*b^2)/(3*a^3*c^
5*Sqrt[c*x]*(a + b*x^2)^(1/4)) + (16*b^(5/2)*(1 + a/(b*x^2))^(1/4)*Sqrt[c*x]*EllipticE[ArcCot[(Sqrt[b]*x)/Sqrt
[a]]/2, 2])/(3*a^(7/2)*c^6*(a + b*x^2)^(1/4))

Rule 202

Int[((a_) + (b_.)*(x_)^2)^(-5/4), x_Symbol] :> Simp[(2/(a^(5/4)*Rt[b/a, 2]))*EllipticE[(1/2)*ArcTan[Rt[b/a, 2]
*x], 2], x] /; FreeQ[{a, b}, x] && GtQ[a, 0] && PosQ[b/a]

Rule 290

Int[Sqrt[(c_.)*(x_)]/((a_) + (b_.)*(x_)^2)^(5/4), x_Symbol] :> Dist[Sqrt[c*x]*((1 + a/(b*x^2))^(1/4)/(b*(a + b
*x^2)^(1/4))), Int[1/(x^2*(1 + a/(b*x^2))^(5/4)), x], x] /; FreeQ[{a, b, c}, x] && PosQ[b/a]

Rule 292

Int[((c_.)*(x_))^(m_)/((a_) + (b_.)*(x_)^2)^(5/4), x_Symbol] :> Simp[(c*x)^(m + 1)/(a*c*(m + 1)*(a + b*x^2)^(1
/4)), x] - Dist[b*((2*m + 1)/(2*a*c^2*(m + 1))), Int[(c*x)^(m + 2)/(a + b*x^2)^(5/4), x], x] /; FreeQ[{a, b, c
}, x] && PosQ[b/a] && IntegerQ[2*m] && LtQ[m, -1]

Rule 342

Int[(x_)^(m_.)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> -Subst[Int[(a + b/x^n)^p/x^(m + 2), x], x, 1/x] /;
FreeQ[{a, b, p}, x] && ILtQ[n, 0] && IntegerQ[m]

Rubi steps

\begin {align*} \int \frac {1}{(c x)^{11/2} \left (a+b x^2\right )^{5/4}} \, dx &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}-\frac {(10 b) \int \frac {1}{(c x)^{7/2} \left (a+b x^2\right )^{5/4}} \, dx}{9 a c^2}\\ &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}+\frac {\left (4 b^2\right ) \int \frac {1}{(c x)^{3/2} \left (a+b x^2\right )^{5/4}} \, dx}{3 a^2 c^4}\\ &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}-\frac {\left (8 b^3\right ) \int \frac {\sqrt {c x}}{\left (a+b x^2\right )^{5/4}} \, dx}{3 a^3 c^6}\\ &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}-\frac {\left (8 b^2 \sqrt [4]{1+\frac {a}{b x^2}} \sqrt {c x}\right ) \int \frac {1}{\left (1+\frac {a}{b x^2}\right )^{5/4} x^2} \, dx}{3 a^3 c^6 \sqrt [4]{a+b x^2}}\\ &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}+\frac {\left (8 b^2 \sqrt [4]{1+\frac {a}{b x^2}} \sqrt {c x}\right ) \text {Subst}\left (\int \frac {1}{\left (1+\frac {a x^2}{b}\right )^{5/4}} \, dx,x,\frac {1}{x}\right )}{3 a^3 c^6 \sqrt [4]{a+b x^2}}\\ &=-\frac {2}{9 a c (c x)^{9/2} \sqrt [4]{a+b x^2}}+\frac {4 b}{9 a^2 c^3 (c x)^{5/2} \sqrt [4]{a+b x^2}}-\frac {8 b^2}{3 a^3 c^5 \sqrt {c x} \sqrt [4]{a+b x^2}}+\frac {16 b^{5/2} \sqrt [4]{1+\frac {a}{b x^2}} \sqrt {c x} E\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{3 a^{7/2} c^6 \sqrt [4]{a+b x^2}}\\ \end {align*}

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Mathematica [C] Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
time = 10.02, size = 59, normalized size = 0.38 \begin {gather*} -\frac {2 x \sqrt [4]{1+\frac {b x^2}{a}} \, _2F_1\left (-\frac {9}{4},\frac {5}{4};-\frac {5}{4};-\frac {b x^2}{a}\right )}{9 a (c x)^{11/2} \sqrt [4]{a+b x^2}} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[1/((c*x)^(11/2)*(a + b*x^2)^(5/4)),x]

[Out]

(-2*x*(1 + (b*x^2)/a)^(1/4)*Hypergeometric2F1[-9/4, 5/4, -5/4, -((b*x^2)/a)])/(9*a*(c*x)^(11/2)*(a + b*x^2)^(1
/4))

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Maple [F]
time = 0.01, size = 0, normalized size = 0.00 \[\int \frac {1}{\left (c x \right )^{\frac {11}{2}} \left (b \,x^{2}+a \right )^{\frac {5}{4}}}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(c*x)^(11/2)/(b*x^2+a)^(5/4),x)

[Out]

int(1/(c*x)^(11/2)/(b*x^2+a)^(5/4),x)

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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(c*x)^(11/2)/(b*x^2+a)^(5/4),x, algorithm="maxima")

[Out]

integrate(1/((b*x^2 + a)^(5/4)*(c*x)^(11/2)), x)

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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(c*x)^(11/2)/(b*x^2+a)^(5/4),x, algorithm="fricas")

[Out]

integral((b*x^2 + a)^(3/4)*sqrt(c*x)/(b^2*c^6*x^10 + 2*a*b*c^6*x^8 + a^2*c^6*x^6), x)

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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(c*x)**(11/2)/(b*x**2+a)**(5/4),x)

[Out]

Exception raised: SystemError >> excessive stack use: stack is 3279 deep

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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(c*x)^(11/2)/(b*x^2+a)^(5/4),x, algorithm="giac")

[Out]

integrate(1/((b*x^2 + a)^(5/4)*(c*x)^(11/2)), x)

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {1}{{\left (c\,x\right )}^{11/2}\,{\left (b\,x^2+a\right )}^{5/4}} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/((c*x)^(11/2)*(a + b*x^2)^(5/4)),x)

[Out]

int(1/((c*x)^(11/2)*(a + b*x^2)^(5/4)), x)

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