3.3.10 \(\int (d x)^{3/2} (a+b \text {ArcCos}(c x))^2 \, dx\) [210]

Optimal. Leaf size=109 \[ \frac {2 (d x)^{5/2} (a+b \text {ArcCos}(c x))^2}{5 d}+\frac {8 b c (d x)^{7/2} (a+b \text {ArcCos}(c x)) \, _2F_1\left (\frac {1}{2},\frac {7}{4};\frac {11}{4};c^2 x^2\right )}{35 d^2}+\frac {16 b^2 c^2 (d x)^{9/2} \, _3F_2\left (1,\frac {9}{4},\frac {9}{4};\frac {11}{4},\frac {13}{4};c^2 x^2\right )}{315 d^3} \]

[Out]

2/5*(d*x)^(5/2)*(a+b*arccos(c*x))^2/d+8/35*b*c*(d*x)^(7/2)*(a+b*arccos(c*x))*hypergeom([1/2, 7/4],[11/4],c^2*x
^2)/d^2+16/315*b^2*c^2*(d*x)^(9/2)*hypergeom([1, 9/4, 9/4],[11/4, 13/4],c^2*x^2)/d^3

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Rubi [A]
time = 0.10, antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {4724, 4806} \begin {gather*} \frac {16 b^2 c^2 (d x)^{9/2} \, _3F_2\left (1,\frac {9}{4},\frac {9}{4};\frac {11}{4},\frac {13}{4};c^2 x^2\right )}{315 d^3}+\frac {8 b c (d x)^{7/2} \, _2F_1\left (\frac {1}{2},\frac {7}{4};\frac {11}{4};c^2 x^2\right ) (a+b \text {ArcCos}(c x))}{35 d^2}+\frac {2 (d x)^{5/2} (a+b \text {ArcCos}(c x))^2}{5 d} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(d*x)^(3/2)*(a + b*ArcCos[c*x])^2,x]

[Out]

(2*(d*x)^(5/2)*(a + b*ArcCos[c*x])^2)/(5*d) + (8*b*c*(d*x)^(7/2)*(a + b*ArcCos[c*x])*Hypergeometric2F1[1/2, 7/
4, 11/4, c^2*x^2])/(35*d^2) + (16*b^2*c^2*(d*x)^(9/2)*HypergeometricPFQ[{1, 9/4, 9/4}, {11/4, 13/4}, c^2*x^2])
/(315*d^3)

Rule 4724

Int[((a_.) + ArcCos[(c_.)*(x_)]*(b_.))^(n_.)*((d_.)*(x_))^(m_.), x_Symbol] :> Simp[(d*x)^(m + 1)*((a + b*ArcCo
s[c*x])^n/(d*(m + 1))), x] + Dist[b*c*(n/(d*(m + 1))), Int[(d*x)^(m + 1)*((a + b*ArcCos[c*x])^(n - 1)/Sqrt[1 -
c^2*x^2]), x], x] /; FreeQ[{a, b, c, d, m}, x] && IGtQ[n, 0] && NeQ[m, -1]

Rule 4806

Int[(((a_.) + ArcCos[(c_.)*(x_)]*(b_.))*((f_.)*(x_))^(m_))/Sqrt[(d_) + (e_.)*(x_)^2], x_Symbol] :> Simp[((f*x)
^(m + 1)/(f*(m + 1)))*(a + b*ArcCos[c*x])*Simp[Sqrt[1 - c^2*x^2]/Sqrt[d + e*x^2]]*Hypergeometric2F1[1/2, (1 +
m)/2, (3 + m)/2, c^2*x^2], x] + Simp[b*c*((f*x)^(m + 2)/(f^2*(m + 1)*(m + 2)))*Simp[Sqrt[1 - c^2*x^2]/Sqrt[d +
e*x^2]]*HypergeometricPFQ[{1, 1 + m/2, 1 + m/2}, {3/2 + m/2, 2 + m/2}, c^2*x^2], x] /; FreeQ[{a, b, c, d, e,
f, m}, x] && EqQ[c^2*d + e, 0] &&  !IntegerQ[m]

Rubi steps

\begin {align*} \int (d x)^{3/2} \left (a+b \cos ^{-1}(c x)\right )^2 \, dx &=\frac {2 (d x)^{5/2} \left (a+b \cos ^{-1}(c x)\right )^2}{5 d}+\frac {(4 b c) \int \frac {(d x)^{5/2} \left (a+b \cos ^{-1}(c x)\right )}{\sqrt {1-c^2 x^2}} \, dx}{5 d}\\ &=\frac {2 (d x)^{5/2} \left (a+b \cos ^{-1}(c x)\right )^2}{5 d}+\frac {8 b c (d x)^{7/2} \left (a+b \cos ^{-1}(c x)\right ) \, _2F_1\left (\frac {1}{2},\frac {7}{4};\frac {11}{4};c^2 x^2\right )}{35 d^2}+\frac {16 b^2 c^2 (d x)^{9/2} \, _3F_2\left (1,\frac {9}{4},\frac {9}{4};\frac {11}{4},\frac {13}{4};c^2 x^2\right )}{315 d^3}\\ \end {align*}

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Mathematica [A]
time = 55.52, size = 176, normalized size = 1.61 \begin {gather*} \frac {(d x)^{3/2} \left (4480 a^2 x+\frac {128 b \left (-28 a \sqrt {1-c^2 x^2}+70 a c x \text {ArcCos}(c x)+35 b c x \text {ArcCos}(c x)^2+28 a \, _2F_1\left (\frac {1}{2},\frac {3}{4};\frac {7}{4};c^2 x^2\right )+20 b c^2 x^2 \sqrt {1-c^2 x^2} \text {ArcCos}(c x) \, _2F_1\left (1,\frac {9}{4};\frac {11}{4};c^2 x^2\right )\right )}{c}+\frac {525 \sqrt {2} b^2 c^2 \pi x^3 \, _3F_2\left (1,\frac {9}{4},\frac {9}{4};\frac {11}{4},\frac {13}{4};c^2 x^2\right )}{\text {Gamma}\left (\frac {11}{4}\right ) \text {Gamma}\left (\frac {13}{4}\right )}\right )}{11200} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(d*x)^(3/2)*(a + b*ArcCos[c*x])^2,x]

[Out]

((d*x)^(3/2)*(4480*a^2*x + (128*b*(-28*a*Sqrt[1 - c^2*x^2] + 70*a*c*x*ArcCos[c*x] + 35*b*c*x*ArcCos[c*x]^2 + 2
8*a*Hypergeometric2F1[1/2, 3/4, 7/4, c^2*x^2] + 20*b*c^2*x^2*Sqrt[1 - c^2*x^2]*ArcCos[c*x]*Hypergeometric2F1[1
, 9/4, 11/4, c^2*x^2]))/c + (525*Sqrt[2]*b^2*c^2*Pi*x^3*HypergeometricPFQ[{1, 9/4, 9/4}, {11/4, 13/4}, c^2*x^2
])/(Gamma[11/4]*Gamma[13/4])))/11200

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Maple [F]
time = 0.19, size = 0, normalized size = 0.00 \[\int \left (d x \right )^{\frac {3}{2}} \left (a +b \arccos \left (c x \right )\right )^{2}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d*x)^(3/2)*(a+b*arccos(c*x))^2,x)

[Out]

int((d*x)^(3/2)*(a+b*arccos(c*x))^2,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((d*x)^(3/2)*(a+b*arccos(c*x))^2,x, algorithm="maxima")

[Out]

2/5*b^2*d^(3/2)*x^(5/2)*arctan2(sqrt(c*x + 1)*sqrt(-c*x + 1), c*x)^2 + 1/10*a^2*c^2*d^(3/2)*(4*(c^2*x^(5/2) +
5*sqrt(x))/c^4 - 10*arctan(sqrt(c)*sqrt(x))/c^(9/2) + 5*log((c*sqrt(x) - sqrt(c))/(c*sqrt(x) + sqrt(c)))/c^(9/
2)) + 10*a*b*c^2*d^(3/2)*integrate(1/5*x^(7/2)*arctan(sqrt(c*x + 1)*sqrt(-c*x + 1)/(c*x))/(c^2*x^2 - 1), x) -
4*b^2*c*d^(3/2)*integrate(1/5*sqrt(c*x + 1)*sqrt(-c*x + 1)*x^(5/2)*arctan(sqrt(c*x + 1)*sqrt(-c*x + 1)/(c*x))/
(c^2*x^2 - 1), x) - 1/2*a^2*d^(3/2)*(4*sqrt(x)/c^2 - 2*arctan(sqrt(c)*sqrt(x))/c^(5/2) + log((c*sqrt(x) - sqrt
(c))/(c*sqrt(x) + sqrt(c)))/c^(5/2)) - 10*a*b*d^(3/2)*integrate(1/5*x^(3/2)*arctan(sqrt(c*x + 1)*sqrt(-c*x + 1
)/(c*x))/(c^2*x^2 - 1), 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((d*x)^(3/2)*(a+b*arccos(c*x))^2,x, algorithm="fricas")

[Out]

integral((b^2*d*x*arccos(c*x)^2 + 2*a*b*d*x*arccos(c*x) + a^2*d*x)*sqrt(d*x), x)

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (d x\right )^{\frac {3}{2}} \left (a + b \operatorname {acos}{\left (c x \right )}\right )^{2}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)**(3/2)*(a+b*acos(c*x))**2,x)

[Out]

Integral((d*x)**(3/2)*(a + b*acos(c*x))**2, x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((d*x)^(3/2)*(a+b*arccos(c*x))^2,x, algorithm="giac")

[Out]

Exception raised: RuntimeError >> An error occurred running a Giac command:INPUT:sage2OUTPUT:sym2poly/r2sym(co
nst gen & e,const index_m & i,const vecteur & l) Error: Bad Argument Value

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int {\left (a+b\,\mathrm {acos}\left (c\,x\right )\right )}^2\,{\left (d\,x\right )}^{3/2} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*acos(c*x))^2*(d*x)^(3/2),x)

[Out]

int((a + b*acos(c*x))^2*(d*x)^(3/2), x)

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