Integrand size = 25, antiderivative size = 217 \[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=-\frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}+\frac {15 \operatorname {CosIntegral}\left (\frac {2 (a+b \arccos (c x))}{b}\right ) \sin \left (\frac {2 a}{b}\right )}{16 b^2 c}+\frac {3 \operatorname {CosIntegral}\left (\frac {4 (a+b \arccos (c x))}{b}\right ) \sin \left (\frac {4 a}{b}\right )}{4 b^2 c}+\frac {3 \operatorname {CosIntegral}\left (\frac {6 (a+b \arccos (c x))}{b}\right ) \sin \left (\frac {6 a}{b}\right )}{16 b^2 c}-\frac {15 \cos \left (\frac {2 a}{b}\right ) \text {Si}\left (\frac {2 (a+b \arccos (c x))}{b}\right )}{16 b^2 c}-\frac {3 \cos \left (\frac {4 a}{b}\right ) \text {Si}\left (\frac {4 (a+b \arccos (c x))}{b}\right )}{4 b^2 c}-\frac {3 \cos \left (\frac {6 a}{b}\right ) \text {Si}\left (\frac {6 (a+b \arccos (c x))}{b}\right )}{16 b^2 c} \] Output:
-(-c^2*x^2+1)^3/b/c/(a+b*arccos(c*x))+15/16*Ci(2*(a+b*arccos(c*x))/b)*sin( 2*a/b)/b^2/c+3/4*Ci(4*(a+b*arccos(c*x))/b)*sin(4*a/b)/b^2/c+3/16*Ci(6*(a+b *arccos(c*x))/b)*sin(6*a/b)/b^2/c-15/16*cos(2*a/b)*Si(2*(a+b*arccos(c*x))/ b)/b^2/c-3/4*cos(4*a/b)*Si(4*(a+b*arccos(c*x))/b)/b^2/c-3/16*cos(6*a/b)*Si (6*(a+b*arccos(c*x))/b)/b^2/c
Time = 0.49 (sec) , antiderivative size = 311, normalized size of antiderivative = 1.43 \[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\frac {16 b-48 b c^2 x^2+48 b c^4 x^4-16 b c^6 x^6+15 (a+b \arccos (c x)) \operatorname {CosIntegral}\left (2 \left (\frac {a}{b}+\arccos (c x)\right )\right ) \sin \left (\frac {2 a}{b}\right )-12 (a+b \arccos (c x)) \operatorname {CosIntegral}\left (4 \left (\frac {a}{b}+\arccos (c x)\right )\right ) \sin \left (\frac {4 a}{b}\right )+3 a \operatorname {CosIntegral}\left (6 \left (\frac {a}{b}+\arccos (c x)\right )\right ) \sin \left (\frac {6 a}{b}\right )+3 b \arccos (c x) \operatorname {CosIntegral}\left (6 \left (\frac {a}{b}+\arccos (c x)\right )\right ) \sin \left (\frac {6 a}{b}\right )-15 a \cos \left (\frac {2 a}{b}\right ) \text {Si}\left (2 \left (\frac {a}{b}+\arccos (c x)\right )\right )-15 b \arccos (c x) \cos \left (\frac {2 a}{b}\right ) \text {Si}\left (2 \left (\frac {a}{b}+\arccos (c x)\right )\right )+12 a \cos \left (\frac {4 a}{b}\right ) \text {Si}\left (4 \left (\frac {a}{b}+\arccos (c x)\right )\right )+12 b \arccos (c x) \cos \left (\frac {4 a}{b}\right ) \text {Si}\left (4 \left (\frac {a}{b}+\arccos (c x)\right )\right )-3 a \cos \left (\frac {6 a}{b}\right ) \text {Si}\left (6 \left (\frac {a}{b}+\arccos (c x)\right )\right )-3 b \arccos (c x) \cos \left (\frac {6 a}{b}\right ) \text {Si}\left (6 \left (\frac {a}{b}+\arccos (c x)\right )\right )}{16 b^2 c (a+b \arccos (c x))} \] Input:
Integrate[(1 - c^2*x^2)^(5/2)/(a + b*ArcCos[c*x])^2,x]
Output:
(16*b - 48*b*c^2*x^2 + 48*b*c^4*x^4 - 16*b*c^6*x^6 + 15*(a + b*ArcCos[c*x] )*CosIntegral[2*(a/b + ArcCos[c*x])]*Sin[(2*a)/b] - 12*(a + b*ArcCos[c*x]) *CosIntegral[4*(a/b + ArcCos[c*x])]*Sin[(4*a)/b] + 3*a*CosIntegral[6*(a/b + ArcCos[c*x])]*Sin[(6*a)/b] + 3*b*ArcCos[c*x]*CosIntegral[6*(a/b + ArcCos [c*x])]*Sin[(6*a)/b] - 15*a*Cos[(2*a)/b]*SinIntegral[2*(a/b + ArcCos[c*x]) ] - 15*b*ArcCos[c*x]*Cos[(2*a)/b]*SinIntegral[2*(a/b + ArcCos[c*x])] + 12* a*Cos[(4*a)/b]*SinIntegral[4*(a/b + ArcCos[c*x])] + 12*b*ArcCos[c*x]*Cos[( 4*a)/b]*SinIntegral[4*(a/b + ArcCos[c*x])] - 3*a*Cos[(6*a)/b]*SinIntegral[ 6*(a/b + ArcCos[c*x])] - 3*b*ArcCos[c*x]*Cos[(6*a)/b]*SinIntegral[6*(a/b + ArcCos[c*x])])/(16*b^2*c*(a + b*ArcCos[c*x]))
Time = 0.61 (sec) , antiderivative size = 189, normalized size of antiderivative = 0.87, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {5167, 5225, 25, 4906, 2009}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx\) |
\(\Big \downarrow \) 5167 |
\(\displaystyle \frac {6 c \int \frac {x \left (1-c^2 x^2\right )^2}{a+b \arccos (c x)}dx}{b}+\frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}\) |
\(\Big \downarrow \) 5225 |
\(\displaystyle \frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}-\frac {6 \int -\frac {\cos \left (\frac {a}{b}-\frac {a+b \arccos (c x)}{b}\right ) \sin ^5\left (\frac {a}{b}-\frac {a+b \arccos (c x)}{b}\right )}{a+b \arccos (c x)}d(a+b \arccos (c x))}{b^2 c}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {6 \int \frac {\cos \left (\frac {a}{b}-\frac {a+b \arccos (c x)}{b}\right ) \sin ^5\left (\frac {a}{b}-\frac {a+b \arccos (c x)}{b}\right )}{a+b \arccos (c x)}d(a+b \arccos (c x))}{b^2 c}+\frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}\) |
\(\Big \downarrow \) 4906 |
\(\displaystyle \frac {6 \int \left (\frac {\sin \left (\frac {6 a}{b}-\frac {6 (a+b \arccos (c x))}{b}\right )}{32 (a+b \arccos (c x))}-\frac {\sin \left (\frac {4 a}{b}-\frac {4 (a+b \arccos (c x))}{b}\right )}{8 (a+b \arccos (c x))}+\frac {5 \sin \left (\frac {2 a}{b}-\frac {2 (a+b \arccos (c x))}{b}\right )}{32 (a+b \arccos (c x))}\right )d(a+b \arccos (c x))}{b^2 c}+\frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {\left (1-c^2 x^2\right )^3}{b c (a+b \arccos (c x))}-\frac {6 \left (-\frac {5}{32} \sin \left (\frac {2 a}{b}\right ) \operatorname {CosIntegral}\left (\frac {2 (a+b \arccos (c x))}{b}\right )+\frac {1}{8} \sin \left (\frac {4 a}{b}\right ) \operatorname {CosIntegral}\left (\frac {4 (a+b \arccos (c x))}{b}\right )-\frac {1}{32} \sin \left (\frac {6 a}{b}\right ) \operatorname {CosIntegral}\left (\frac {6 (a+b \arccos (c x))}{b}\right )+\frac {5}{32} \cos \left (\frac {2 a}{b}\right ) \text {Si}\left (\frac {2 (a+b \arccos (c x))}{b}\right )-\frac {1}{8} \cos \left (\frac {4 a}{b}\right ) \text {Si}\left (\frac {4 (a+b \arccos (c x))}{b}\right )+\frac {1}{32} \cos \left (\frac {6 a}{b}\right ) \text {Si}\left (\frac {6 (a+b \arccos (c x))}{b}\right )\right )}{b^2 c}\) |
Input:
Int[(1 - c^2*x^2)^(5/2)/(a + b*ArcCos[c*x])^2,x]
Output:
(1 - c^2*x^2)^3/(b*c*(a + b*ArcCos[c*x])) - (6*((-5*CosIntegral[(2*(a + b* ArcCos[c*x]))/b]*Sin[(2*a)/b])/32 + (CosIntegral[(4*(a + b*ArcCos[c*x]))/b ]*Sin[(4*a)/b])/8 - (CosIntegral[(6*(a + b*ArcCos[c*x]))/b]*Sin[(6*a)/b])/ 32 + (5*Cos[(2*a)/b]*SinIntegral[(2*(a + b*ArcCos[c*x]))/b])/32 - (Cos[(4* a)/b]*SinIntegral[(4*(a + b*ArcCos[c*x]))/b])/8 + (Cos[(6*a)/b]*SinIntegra l[(6*(a + b*ArcCos[c*x]))/b])/32))/(b^2*c)
Int[Cos[(a_.) + (b_.)*(x_)]^(p_.)*((c_.) + (d_.)*(x_))^(m_.)*Sin[(a_.) + (b _.)*(x_)]^(n_.), x_Symbol] :> Int[ExpandTrigReduce[(c + d*x)^m, Sin[a + b*x ]^n*Cos[a + b*x]^p, x], x] /; FreeQ[{a, b, c, d, m}, x] && IGtQ[n, 0] && IG tQ[p, 0]
Int[((a_.) + ArcCos[(c_.)*(x_)]*(b_.))^(n_)*((d_) + (e_.)*(x_)^2)^(p_.), x_ Symbol] :> Simp[(-Sqrt[1 - c^2*x^2])*(d + e*x^2)^p*((a + b*ArcCos[c*x])^(n + 1)/(b*c*(n + 1))), x] - Simp[c*((2*p + 1)/(b*(n + 1)))*Simp[(d + e*x^2)^p /(1 - c^2*x^2)^p] Int[x*(1 - c^2*x^2)^(p - 1/2)*(a + b*ArcCos[c*x])^(n + 1), x], x] /; FreeQ[{a, b, c, d, e, p}, x] && EqQ[c^2*d + e, 0] && LtQ[n, - 1]
Int[((a_.) + ArcCos[(c_.)*(x_)]*(b_.))^(n_.)*(x_)^(m_.)*((d_) + (e_.)*(x_)^ 2)^(p_.), x_Symbol] :> Simp[(-(b*c^(m + 1))^(-1))*Simp[(d + e*x^2)^p/(1 - c ^2*x^2)^p] Subst[Int[x^n*Cos[-a/b + x/b]^m*Sin[-a/b + x/b]^(2*p + 1), x], x, a + b*ArcCos[c*x]], x] /; FreeQ[{a, b, c, d, e, n}, x] && EqQ[c^2*d + e , 0] && IGtQ[2*p + 2, 0] && IGtQ[m, 0]
Time = 0.20 (sec) , antiderivative size = 364, normalized size of antiderivative = 1.68
method | result | size |
default | \(-\frac {6 \arccos \left (c x \right ) \operatorname {Si}\left (6 \arccos \left (c x \right )+\frac {6 a}{b}\right ) \cos \left (\frac {6 a}{b}\right ) b -6 \arccos \left (c x \right ) \operatorname {Ci}\left (6 \arccos \left (c x \right )+\frac {6 a}{b}\right ) \sin \left (\frac {6 a}{b}\right ) b -24 \arccos \left (c x \right ) \operatorname {Si}\left (4 \arccos \left (c x \right )+\frac {4 a}{b}\right ) \cos \left (\frac {4 a}{b}\right ) b +24 \arccos \left (c x \right ) \operatorname {Ci}\left (4 \arccos \left (c x \right )+\frac {4 a}{b}\right ) \sin \left (\frac {4 a}{b}\right ) b +30 \arccos \left (c x \right ) \operatorname {Si}\left (2 \arccos \left (c x \right )+\frac {2 a}{b}\right ) \cos \left (\frac {2 a}{b}\right ) b -30 \arccos \left (c x \right ) \operatorname {Ci}\left (2 \arccos \left (c x \right )+\frac {2 a}{b}\right ) \sin \left (\frac {2 a}{b}\right ) b +6 \,\operatorname {Si}\left (6 \arccos \left (c x \right )+\frac {6 a}{b}\right ) \cos \left (\frac {6 a}{b}\right ) a -6 \,\operatorname {Ci}\left (6 \arccos \left (c x \right )+\frac {6 a}{b}\right ) \sin \left (\frac {6 a}{b}\right ) a -24 \,\operatorname {Si}\left (4 \arccos \left (c x \right )+\frac {4 a}{b}\right ) \cos \left (\frac {4 a}{b}\right ) a +24 \,\operatorname {Ci}\left (4 \arccos \left (c x \right )+\frac {4 a}{b}\right ) \sin \left (\frac {4 a}{b}\right ) a +30 \,\operatorname {Si}\left (2 \arccos \left (c x \right )+\frac {2 a}{b}\right ) \cos \left (\frac {2 a}{b}\right ) a -30 \,\operatorname {Ci}\left (2 \arccos \left (c x \right )+\frac {2 a}{b}\right ) \sin \left (\frac {2 a}{b}\right ) a +\cos \left (6 \arccos \left (c x \right )\right ) b -6 \cos \left (4 \arccos \left (c x \right )\right ) b +15 \cos \left (2 \arccos \left (c x \right )\right ) b -10 b}{32 c \,b^{2} \left (a +b \arccos \left (c x \right )\right )}\) | \(364\) |
Input:
int((-c^2*x^2+1)^(5/2)/(a+b*arccos(c*x))^2,x,method=_RETURNVERBOSE)
Output:
-1/32/c*(6*arccos(c*x)*Si(6*arccos(c*x)+6*a/b)*cos(6*a/b)*b-6*arccos(c*x)* Ci(6*arccos(c*x)+6*a/b)*sin(6*a/b)*b-24*arccos(c*x)*Si(4*arccos(c*x)+4*a/b )*cos(4*a/b)*b+24*arccos(c*x)*Ci(4*arccos(c*x)+4*a/b)*sin(4*a/b)*b+30*arcc os(c*x)*Si(2*arccos(c*x)+2*a/b)*cos(2*a/b)*b-30*arccos(c*x)*Ci(2*arccos(c* x)+2*a/b)*sin(2*a/b)*b+6*Si(6*arccos(c*x)+6*a/b)*cos(6*a/b)*a-6*Ci(6*arcco s(c*x)+6*a/b)*sin(6*a/b)*a-24*Si(4*arccos(c*x)+4*a/b)*cos(4*a/b)*a+24*Ci(4 *arccos(c*x)+4*a/b)*sin(4*a/b)*a+30*Si(2*arccos(c*x)+2*a/b)*cos(2*a/b)*a-3 0*Ci(2*arccos(c*x)+2*a/b)*sin(2*a/b)*a+cos(6*arccos(c*x))*b-6*cos(4*arccos (c*x))*b+15*cos(2*arccos(c*x))*b-10*b)/b^2/(a+b*arccos(c*x))
\[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\int { \frac {{\left (-c^{2} x^{2} + 1\right )}^{\frac {5}{2}}}{{\left (b \arccos \left (c x\right ) + a\right )}^{2}} \,d x } \] Input:
integrate((-c^2*x^2+1)^(5/2)/(a+b*arccos(c*x))^2,x, algorithm="fricas")
Output:
integral((c^4*x^4 - 2*c^2*x^2 + 1)*sqrt(-c^2*x^2 + 1)/(b^2*arccos(c*x)^2 + 2*a*b*arccos(c*x) + a^2), x)
\[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\int \frac {\left (- \left (c x - 1\right ) \left (c x + 1\right )\right )^{\frac {5}{2}}}{\left (a + b \operatorname {acos}{\left (c x \right )}\right )^{2}}\, dx \] Input:
integrate((-c**2*x**2+1)**(5/2)/(a+b*acos(c*x))**2,x)
Output:
Integral((-(c*x - 1)*(c*x + 1))**(5/2)/(a + b*acos(c*x))**2, x)
\[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\int { \frac {{\left (-c^{2} x^{2} + 1\right )}^{\frac {5}{2}}}{{\left (b \arccos \left (c x\right ) + a\right )}^{2}} \,d x } \] Input:
integrate((-c^2*x^2+1)^(5/2)/(a+b*arccos(c*x))^2,x, algorithm="maxima")
Output:
-(c^6*x^6 - 3*c^4*x^4 + 3*c^2*x^2 - (b^2*c*arctan2(sqrt(c*x + 1)*sqrt(-c*x + 1), c*x) + a*b*c)*integrate(6*(c^5*x^5 - 2*c^3*x^3 + c*x)/(b^2*arctan2( sqrt(c*x + 1)*sqrt(-c*x + 1), c*x) + a*b), x) - 1)/(b^2*c*arctan2(sqrt(c*x + 1)*sqrt(-c*x + 1), c*x) + a*b*c)
Leaf count of result is larger than twice the leaf count of optimal. 1464 vs. \(2 (203) = 406\).
Time = 0.25 (sec) , antiderivative size = 1464, normalized size of antiderivative = 6.75 \[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\text {Too large to display} \] Input:
integrate((-c^2*x^2+1)^(5/2)/(a+b*arccos(c*x))^2,x, algorithm="giac")
Output:
-b*c^6*x^6/(b^3*c*arccos(c*x) + a*b^2*c) + 3*b*c^4*x^4/(b^3*c*arccos(c*x) + a*b^2*c) + 6*b*arccos(c*x)*cos(a/b)^5*cos_integral(6*a/b + 6*arccos(c*x) )*sin(a/b)/(b^3*c*arccos(c*x) + a*b^2*c) - 6*b*arccos(c*x)*cos(a/b)^6*sin_ integral(6*a/b + 6*arccos(c*x))/(b^3*c*arccos(c*x) + a*b^2*c) + 6*a*cos(a/ b)^5*cos_integral(6*a/b + 6*arccos(c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b ^2*c) - 6*a*cos(a/b)^6*sin_integral(6*a/b + 6*arccos(c*x))/(b^3*c*arccos(c *x) + a*b^2*c) - 6*b*arccos(c*x)*cos(a/b)^3*cos_integral(6*a/b + 6*arccos( c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b^2*c) - 6*b*arccos(c*x)*cos(a/b)^3* cos_integral(4*a/b + 4*arccos(c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b^2*c) + 9*b*arccos(c*x)*cos(a/b)^4*sin_integral(6*a/b + 6*arccos(c*x))/(b^3*c*a rccos(c*x) + a*b^2*c) + 6*b*arccos(c*x)*cos(a/b)^4*sin_integral(4*a/b + 4* arccos(c*x))/(b^3*c*arccos(c*x) + a*b^2*c) - 6*a*cos(a/b)^3*cos_integral(6 *a/b + 6*arccos(c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b^2*c) - 6*a*cos(a/b )^3*cos_integral(4*a/b + 4*arccos(c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b^ 2*c) + 9*a*cos(a/b)^4*sin_integral(6*a/b + 6*arccos(c*x))/(b^3*c*arccos(c* x) + a*b^2*c) + 6*a*cos(a/b)^4*sin_integral(4*a/b + 4*arccos(c*x))/(b^3*c* arccos(c*x) + a*b^2*c) - 3*b*c^2*x^2/(b^3*c*arccos(c*x) + a*b^2*c) + 9/8*b *arccos(c*x)*cos(a/b)*cos_integral(6*a/b + 6*arccos(c*x))*sin(a/b)/(b^3*c* arccos(c*x) + a*b^2*c) + 3*b*arccos(c*x)*cos(a/b)*cos_integral(4*a/b + 4*a rccos(c*x))*sin(a/b)/(b^3*c*arccos(c*x) + a*b^2*c) + 15/8*b*arccos(c*x)...
Timed out. \[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\int \frac {{\left (1-c^2\,x^2\right )}^{5/2}}{{\left (a+b\,\mathrm {acos}\left (c\,x\right )\right )}^2} \,d x \] Input:
int((1 - c^2*x^2)^(5/2)/(a + b*acos(c*x))^2,x)
Output:
int((1 - c^2*x^2)^(5/2)/(a + b*acos(c*x))^2, x)
\[ \int \frac {\left (1-c^2 x^2\right )^{5/2}}{(a+b \arccos (c x))^2} \, dx=\int \frac {\sqrt {-c^{2} x^{2}+1}}{\mathit {acos} \left (c x \right )^{2} b^{2}+2 \mathit {acos} \left (c x \right ) a b +a^{2}}d x +\left (\int \frac {\sqrt {-c^{2} x^{2}+1}\, x^{4}}{\mathit {acos} \left (c x \right )^{2} b^{2}+2 \mathit {acos} \left (c x \right ) a b +a^{2}}d x \right ) c^{4}-2 \left (\int \frac {\sqrt {-c^{2} x^{2}+1}\, x^{2}}{\mathit {acos} \left (c x \right )^{2} b^{2}+2 \mathit {acos} \left (c x \right ) a b +a^{2}}d x \right ) c^{2} \] Input:
int((-c^2*x^2+1)^(5/2)/(a+b*acos(c*x))^2,x)
Output:
int(sqrt( - c**2*x**2 + 1)/(acos(c*x)**2*b**2 + 2*acos(c*x)*a*b + a**2),x) + int((sqrt( - c**2*x**2 + 1)*x**4)/(acos(c*x)**2*b**2 + 2*acos(c*x)*a*b + a**2),x)*c**4 - 2*int((sqrt( - c**2*x**2 + 1)*x**2)/(acos(c*x)**2*b**2 + 2*acos(c*x)*a*b + a**2),x)*c**2