3.172 \(\int (a+b \cosh ^{-1}(c+d x))^{7/2} \, dx\)

Optimal. Leaf size=230 \[ -\frac {105 \sqrt {\pi } b^{7/2} e^{a/b} \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}+\frac {105 \sqrt {\pi } b^{7/2} e^{-\frac {a}{b}} \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}-\frac {105 b^3 \sqrt {c+d x-1} \sqrt {c+d x+1} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {c+d x-1} \sqrt {c+d x+1} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d} \]

[Out]

35/4*b^2*(d*x+c)*(a+b*arccosh(d*x+c))^(3/2)/d+(d*x+c)*(a+b*arccosh(d*x+c))^(7/2)/d-105/32*b^(7/2)*exp(a/b)*erf
((a+b*arccosh(d*x+c))^(1/2)/b^(1/2))*Pi^(1/2)/d+105/32*b^(7/2)*erfi((a+b*arccosh(d*x+c))^(1/2)/b^(1/2))*Pi^(1/
2)/d/exp(a/b)-7/2*b*(a+b*arccosh(d*x+c))^(5/2)*(d*x+c-1)^(1/2)*(d*x+c+1)^(1/2)/d-105/8*b^3*(d*x+c-1)^(1/2)*(d*
x+c+1)^(1/2)*(a+b*arccosh(d*x+c))^(1/2)/d

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Rubi [A]  time = 0.64, antiderivative size = 230, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 8, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {5864, 5654, 5718, 5658, 3308, 2180, 2205, 2204} \[ -\frac {105 \sqrt {\pi } b^{7/2} e^{a/b} \text {Erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}+\frac {105 \sqrt {\pi } b^{7/2} e^{-\frac {a}{b}} \text {Erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}-\frac {105 b^3 \sqrt {c+d x-1} \sqrt {c+d x+1} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {c+d x-1} \sqrt {c+d x+1} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d} \]

Antiderivative was successfully verified.

[In]

Int[(a + b*ArcCosh[c + d*x])^(7/2),x]

[Out]

(-105*b^3*Sqrt[-1 + c + d*x]*Sqrt[1 + c + d*x]*Sqrt[a + b*ArcCosh[c + d*x]])/(8*d) + (35*b^2*(c + d*x)*(a + b*
ArcCosh[c + d*x])^(3/2))/(4*d) - (7*b*Sqrt[-1 + c + d*x]*Sqrt[1 + c + d*x]*(a + b*ArcCosh[c + d*x])^(5/2))/(2*
d) + ((c + d*x)*(a + b*ArcCosh[c + d*x])^(7/2))/d - (105*b^(7/2)*E^(a/b)*Sqrt[Pi]*Erf[Sqrt[a + b*ArcCosh[c + d
*x]]/Sqrt[b]])/(32*d) + (105*b^(7/2)*Sqrt[Pi]*Erfi[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]])/(32*d*E^(a/b))

Rule 2180

Int[(F_)^((g_.)*((e_.) + (f_.)*(x_)))/Sqrt[(c_.) + (d_.)*(x_)], x_Symbol] :> Dist[2/d, Subst[Int[F^(g*(e - (c*
f)/d) + (f*g*x^2)/d), x], x, Sqrt[c + d*x]], x] /; FreeQ[{F, c, d, e, f, g}, x] &&  !$UseGamma === True

Rule 2204

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^2), x_Symbol] :> Simp[(F^a*Sqrt[Pi]*Erfi[(c + d*x)*Rt[b*Log[F], 2
]])/(2*d*Rt[b*Log[F], 2]), x] /; FreeQ[{F, a, b, c, d}, x] && PosQ[b]

Rule 2205

Int[(F_)^((a_.) + (b_.)*((c_.) + (d_.)*(x_))^2), x_Symbol] :> Simp[(F^a*Sqrt[Pi]*Erf[(c + d*x)*Rt[-(b*Log[F]),
2]])/(2*d*Rt[-(b*Log[F]), 2]), x] /; FreeQ[{F, a, b, c, d}, x] && NegQ[b]

Rule 3308

Int[((c_.) + (d_.)*(x_))^(m_.)*sin[(e_.) + (f_.)*(x_)], x_Symbol] :> Dist[I/2, Int[(c + d*x)^m/E^(I*(e + f*x))
, x], x] - Dist[I/2, Int[(c + d*x)^m*E^(I*(e + f*x)), x], x] /; FreeQ[{c, d, e, f, m}, x]

Rule 5654

Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.), x_Symbol] :> Simp[x*(a + b*ArcCosh[c*x])^n, x] - Dist[b*c*n, In
t[(x*(a + b*ArcCosh[c*x])^(n - 1))/(Sqrt[-1 + c*x]*Sqrt[1 + c*x]), x], x] /; FreeQ[{a, b, c}, x] && GtQ[n, 0]

Rule 5658

Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_), x_Symbol] :> -Dist[(b*c)^(-1), Subst[Int[x^n*Sinh[a/b - x/b], x]
, x, a + b*ArcCosh[c*x]], x] /; FreeQ[{a, b, c, n}, x]

Rule 5718

Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.)*(x_)*((d1_) + (e1_.)*(x_))^(p_.)*((d2_) + (e2_.)*(x_))^(p_.), x_
Symbol] :> Simp[((d1 + e1*x)^(p + 1)*(d2 + e2*x)^(p + 1)*(a + b*ArcCosh[c*x])^n)/(2*e1*e2*(p + 1)), x] - Dist[
(b*n*(-(d1*d2))^IntPart[p]*(d1 + e1*x)^FracPart[p]*(d2 + e2*x)^FracPart[p])/(2*c*(p + 1)*(1 + c*x)^FracPart[p]
*(-1 + c*x)^FracPart[p]), Int[(-1 + c^2*x^2)^(p + 1/2)*(a + b*ArcCosh[c*x])^(n - 1), x], x] /; FreeQ[{a, b, c,
d1, e1, d2, e2, p}, x] && EqQ[e1 - c*d1, 0] && EqQ[e2 + c*d2, 0] && GtQ[n, 0] && NeQ[p, -1] && IntegerQ[p + 1
/2]

Rule 5864

Int[((a_.) + ArcCosh[(c_) + (d_.)*(x_)]*(b_.))^(n_.), x_Symbol] :> Dist[1/d, Subst[Int[(a + b*ArcCosh[x])^n, x
], x, c + d*x], x] /; FreeQ[{a, b, c, d, n}, x]

Rubi steps

\begin {align*} \int \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2} \, dx &=\frac {\operatorname {Subst}\left (\int \left (a+b \cosh ^{-1}(x)\right )^{7/2} \, dx,x,c+d x\right )}{d}\\ &=\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {(7 b) \operatorname {Subst}\left (\int \frac {x \left (a+b \cosh ^{-1}(x)\right )^{5/2}}{\sqrt {-1+x} \sqrt {1+x}} \, dx,x,c+d x\right )}{2 d}\\ &=-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}+\frac {\left (35 b^2\right ) \operatorname {Subst}\left (\int \left (a+b \cosh ^{-1}(x)\right )^{3/2} \, dx,x,c+d x\right )}{4 d}\\ &=\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int \frac {x \sqrt {a+b \cosh ^{-1}(x)}}{\sqrt {-1+x} \sqrt {1+x}} \, dx,x,c+d x\right )}{8 d}\\ &=-\frac {105 b^3 \sqrt {-1+c+d x} \sqrt {1+c+d x} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}+\frac {\left (105 b^4\right ) \operatorname {Subst}\left (\int \frac {1}{\sqrt {a+b \cosh ^{-1}(x)}} \, dx,x,c+d x\right )}{16 d}\\ &=-\frac {105 b^3 \sqrt {-1+c+d x} \sqrt {1+c+d x} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int \frac {\sinh \left (\frac {a}{b}-\frac {x}{b}\right )}{\sqrt {x}} \, dx,x,a+b \cosh ^{-1}(c+d x)\right )}{16 d}\\ &=-\frac {105 b^3 \sqrt {-1+c+d x} \sqrt {1+c+d x} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int \frac {e^{-i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \cosh ^{-1}(c+d x)\right )}{32 d}+\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int \frac {e^{i \left (\frac {i a}{b}-\frac {i x}{b}\right )}}{\sqrt {x}} \, dx,x,a+b \cosh ^{-1}(c+d x)\right )}{32 d}\\ &=-\frac {105 b^3 \sqrt {-1+c+d x} \sqrt {1+c+d x} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int e^{\frac {a}{b}-\frac {x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c+d x)}\right )}{16 d}+\frac {\left (105 b^3\right ) \operatorname {Subst}\left (\int e^{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b \cosh ^{-1}(c+d x)}\right )}{16 d}\\ &=-\frac {105 b^3 \sqrt {-1+c+d x} \sqrt {1+c+d x} \sqrt {a+b \cosh ^{-1}(c+d x)}}{8 d}+\frac {35 b^2 (c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{3/2}}{4 d}-\frac {7 b \sqrt {-1+c+d x} \sqrt {1+c+d x} \left (a+b \cosh ^{-1}(c+d x)\right )^{5/2}}{2 d}+\frac {(c+d x) \left (a+b \cosh ^{-1}(c+d x)\right )^{7/2}}{d}-\frac {105 b^{7/2} e^{a/b} \sqrt {\pi } \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}+\frac {105 b^{7/2} e^{-\frac {a}{b}} \sqrt {\pi } \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d}\\ \end {align*}

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Mathematica [B]  time = 7.51, size = 765, normalized size = 3.33 \[ \frac {a^3 e^{-\frac {a}{b}} \sqrt {a+b \cosh ^{-1}(c+d x)} \left (\frac {e^{\frac {2 a}{b}} \Gamma \left (\frac {3}{2},\frac {a}{b}+\cosh ^{-1}(c+d x)\right )}{\sqrt {\frac {a}{b}+\cosh ^{-1}(c+d x)}}+\frac {\Gamma \left (\frac {3}{2},-\frac {a+b \cosh ^{-1}(c+d x)}{b}\right )}{\sqrt {-\frac {a+b \cosh ^{-1}(c+d x)}{b}}}\right )}{2 d}+\frac {3 a \left (-\sqrt {\pi } \sqrt {b} \left (4 a^2-12 a b+15 b^2\right ) \left (\sinh \left (\frac {a}{b}\right )+\cosh \left (\frac {a}{b}\right )\right ) \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )-\sqrt {\pi } \sqrt {b} \left (4 a^2+12 a b+15 b^2\right ) \left (\cosh \left (\frac {a}{b}\right )-\sinh \left (\frac {a}{b}\right )\right ) \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )+4 b \sqrt {a+b \cosh ^{-1}(c+d x)} \left (2 \sqrt {\frac {c+d x-1}{c+d x+1}} (c+d x+1) \left (a-5 b \cosh ^{-1}(c+d x)\right )+b (c+d x) \left (4 \cosh ^{-1}(c+d x)^2+15\right )\right )\right )}{16 d}+\frac {3 a^2 b \left (\frac {\sqrt {\pi } (2 a-3 b) \left (\sinh \left (\frac {a}{b}\right )+\cosh \left (\frac {a}{b}\right )\right ) \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{\sqrt {b}}+\frac {\sqrt {\pi } (2 a+3 b) \left (\cosh \left (\frac {a}{b}\right )-\sinh \left (\frac {a}{b}\right )\right ) \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{\sqrt {b}}-12 \sqrt {\frac {c+d x-1}{c+d x+1}} (c+d x+1) \sqrt {a+b \cosh ^{-1}(c+d x)}+8 (c+d x) \cosh ^{-1}(c+d x) \sqrt {a+b \cosh ^{-1}(c+d x)}\right )}{8 d}+\frac {-4 b \sqrt {a+b \cosh ^{-1}(c+d x)} \left (\sqrt {\frac {c+d x-1}{c+d x+1}} (c+d x+1) \left (4 a^2-4 a b \cosh ^{-1}(c+d x)+7 b^2 \left (4 \cosh ^{-1}(c+d x)^2+15\right )\right )-2 b (c+d x) \left (b \cosh ^{-1}(c+d x) \left (4 \cosh ^{-1}(c+d x)^2+35\right )-10 a\right )\right )-\sqrt {\pi } \sqrt {b} \left (-8 a^3+36 a^2 b-90 a b^2+105 b^3\right ) \left (\sinh \left (\frac {a}{b}\right )+\cosh \left (\frac {a}{b}\right )\right ) \text {erf}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )-\sqrt {\pi } \sqrt {b} \left (8 a^3+36 a^2 b+90 a b^2+105 b^3\right ) \left (\sinh \left (\frac {a}{b}\right )-\cosh \left (\frac {a}{b}\right )\right ) \text {erfi}\left (\frac {\sqrt {a+b \cosh ^{-1}(c+d x)}}{\sqrt {b}}\right )}{32 d} \]

Warning: Unable to verify antiderivative.

[In]

Integrate[(a + b*ArcCosh[c + d*x])^(7/2),x]

[Out]

(a^3*Sqrt[a + b*ArcCosh[c + d*x]]*((E^((2*a)/b)*Gamma[3/2, a/b + ArcCosh[c + d*x]])/Sqrt[a/b + ArcCosh[c + d*x
]] + Gamma[3/2, -((a + b*ArcCosh[c + d*x])/b)]/Sqrt[-((a + b*ArcCosh[c + d*x])/b)]))/(2*d*E^(a/b)) + (3*a^2*b*
(-12*Sqrt[(-1 + c + d*x)/(1 + c + d*x)]*(1 + c + d*x)*Sqrt[a + b*ArcCosh[c + d*x]] + 8*(c + d*x)*ArcCosh[c + d
*x]*Sqrt[a + b*ArcCosh[c + d*x]] + ((2*a + 3*b)*Sqrt[Pi]*Erfi[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(Cosh[a/b]
- Sinh[a/b]))/Sqrt[b] + ((2*a - 3*b)*Sqrt[Pi]*Erf[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(Cosh[a/b] + Sinh[a/b
]))/Sqrt[b]))/(8*d) + (3*a*(4*b*Sqrt[a + b*ArcCosh[c + d*x]]*(2*Sqrt[(-1 + c + d*x)/(1 + c + d*x)]*(1 + c + d*
x)*(a - 5*b*ArcCosh[c + d*x]) + b*(c + d*x)*(15 + 4*ArcCosh[c + d*x]^2)) - Sqrt[b]*(4*a^2 + 12*a*b + 15*b^2)*S
qrt[Pi]*Erfi[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(Cosh[a/b] - Sinh[a/b]) - Sqrt[b]*(4*a^2 - 12*a*b + 15*b^2)
*Sqrt[Pi]*Erf[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(Cosh[a/b] + Sinh[a/b])))/(16*d) + (-4*b*Sqrt[a + b*ArcCos
h[c + d*x]]*(Sqrt[(-1 + c + d*x)/(1 + c + d*x)]*(1 + c + d*x)*(4*a^2 - 4*a*b*ArcCosh[c + d*x] + 7*b^2*(15 + 4*
ArcCosh[c + d*x]^2)) - 2*b*(c + d*x)*(-10*a + b*ArcCosh[c + d*x]*(35 + 4*ArcCosh[c + d*x]^2))) - Sqrt[b]*(8*a^
3 + 36*a^2*b + 90*a*b^2 + 105*b^3)*Sqrt[Pi]*Erfi[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(-Cosh[a/b] + Sinh[a/b]
) - Sqrt[b]*(-8*a^3 + 36*a^2*b - 90*a*b^2 + 105*b^3)*Sqrt[Pi]*Erf[Sqrt[a + b*ArcCosh[c + d*x]]/Sqrt[b]]*(Cosh[
a/b] + Sinh[a/b]))/(32*d)

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fricas [F(-2)]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arccosh(d*x+c))^(7/2),x, algorithm="fricas")

[Out]

Exception raised: TypeError >>  Error detected within library code:   integrate: implementation incomplete (co
nstant residues)

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b \operatorname {arcosh}\left (d x + c\right ) + a\right )}^{\frac {7}{2}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arccosh(d*x+c))^(7/2),x, algorithm="giac")

[Out]

integrate((b*arccosh(d*x + c) + a)^(7/2), x)

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maple [F]  time = 0.14, size = 0, normalized size = 0.00 \[ \int \left (a +b \,\mathrm {arccosh}\left (d x +c \right )\right )^{\frac {7}{2}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a+b*arccosh(d*x+c))^(7/2),x)

[Out]

int((a+b*arccosh(d*x+c))^(7/2),x)

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (b \operatorname {arcosh}\left (d x + c\right ) + a\right )}^{\frac {7}{2}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*arccosh(d*x+c))^(7/2),x, algorithm="maxima")

[Out]

integrate((b*arccosh(d*x + c) + a)^(7/2), x)

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mupad [F]  time = 0.00, size = -1, normalized size = -0.00 \[ \int {\left (a+b\,\mathrm {acosh}\left (c+d\,x\right )\right )}^{7/2} \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a + b*acosh(c + d*x))^(7/2),x)

[Out]

int((a + b*acosh(c + d*x))^(7/2), x)

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sympy [F(-1)]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a+b*acosh(d*x+c))**(7/2),x)

[Out]

Timed out

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