Integrand size = 16, antiderivative size = 611 \[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=-\frac {i e^{-\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,-\frac {i (a+b \arcsin (c+d x))}{b}\right )}{8 d^3}-\frac {i c^2 e^{-\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,-\frac {i (a+b \arcsin (c+d x))}{b}\right )}{2 d^3}+\frac {i e^{\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,\frac {i (a+b \arcsin (c+d x))}{b}\right )}{8 d^3}+\frac {i c^2 e^{\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,\frac {i (a+b \arcsin (c+d x))}{b}\right )}{2 d^3}+\frac {2^{-2-n} c e^{-\frac {2 i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,-\frac {2 i (a+b \arcsin (c+d x))}{b}\right )}{d^3}+\frac {2^{-2-n} c e^{\frac {2 i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,\frac {2 i (a+b \arcsin (c+d x))}{b}\right )}{d^3}+\frac {i 3^{-1-n} e^{-\frac {3 i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,-\frac {3 i (a+b \arcsin (c+d x))}{b}\right )}{8 d^3}-\frac {i 3^{-1-n} e^{\frac {3 i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (1+n,\frac {3 i (a+b \arcsin (c+d x))}{b}\right )}{8 d^3} \]
-1/8*I*(a+b*arcsin(d*x+c))^n*GAMMA(1+n,-I*(a+b*arcsin(d*x+c))/b)/d^3/exp(I *a/b)/((-I*(a+b*arcsin(d*x+c))/b)^n)-1/2*I*c^2*(a+b*arcsin(d*x+c))^n*GAMMA (1+n,-I*(a+b*arcsin(d*x+c))/b)/d^3/exp(I*a/b)/((-I*(a+b*arcsin(d*x+c))/b)^ n)+1/8*I*exp(I*a/b)*(a+b*arcsin(d*x+c))^n*GAMMA(1+n,I*(a+b*arcsin(d*x+c))/ b)/d^3/((I*(a+b*arcsin(d*x+c))/b)^n)+1/2*I*c^2*exp(I*a/b)*(a+b*arcsin(d*x+ c))^n*GAMMA(1+n,I*(a+b*arcsin(d*x+c))/b)/d^3/((I*(a+b*arcsin(d*x+c))/b)^n) +2^(-2-n)*c*(a+b*arcsin(d*x+c))^n*GAMMA(1+n,-2*I*(a+b*arcsin(d*x+c))/b)/d^ 3/exp(2*I*a/b)/((-I*(a+b*arcsin(d*x+c))/b)^n)+2^(-2-n)*c*exp(2*I*a/b)*(a+b *arcsin(d*x+c))^n*GAMMA(1+n,2*I*(a+b*arcsin(d*x+c))/b)/d^3/((I*(a+b*arcsin (d*x+c))/b)^n)+1/8*I*3^(-1-n)*(a+b*arcsin(d*x+c))^n*GAMMA(1+n,-3*I*(a+b*ar csin(d*x+c))/b)/d^3/exp(3*I*a/b)/((-I*(a+b*arcsin(d*x+c))/b)^n)-1/8*I*3^(- 1-n)*exp(3*I*a/b)*(a+b*arcsin(d*x+c))^n*GAMMA(1+n,3*I*(a+b*arcsin(d*x+c))/ b)/d^3/((I*(a+b*arcsin(d*x+c))/b)^n)
Time = 0.59 (sec) , antiderivative size = 419, normalized size of antiderivative = 0.69 \[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\frac {2^{-3-n} 3^{-1-n} e^{-\frac {3 i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {(a+b \arcsin (c+d x))^2}{b^2}\right )^{-n} \left (-i 2^n 3^{1+n} \left (1+4 c^2\right ) e^{\frac {2 i a}{b}} \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,-\frac {i (a+b \arcsin (c+d x))}{b}\right )+i 2^n 3^{1+n} \left (1+4 c^2\right ) e^{\frac {4 i a}{b}} \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,\frac {i (a+b \arcsin (c+d x))}{b}\right )+2\ 3^{1+n} c e^{\frac {i a}{b}} \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,-\frac {2 i (a+b \arcsin (c+d x))}{b}\right )+2\ 3^{1+n} c e^{\frac {5 i a}{b}} \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,\frac {2 i (a+b \arcsin (c+d x))}{b}\right )+i 2^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,-\frac {3 i (a+b \arcsin (c+d x))}{b}\right )-i 2^n e^{\frac {6 i a}{b}} \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^n \Gamma \left (1+n,\frac {3 i (a+b \arcsin (c+d x))}{b}\right )\right )}{d^3} \]
(2^(-3 - n)*3^(-1 - n)*(a + b*ArcSin[c + d*x])^n*((-I)*2^n*3^(1 + n)*(1 + 4*c^2)*E^(((2*I)*a)/b)*((I*(a + b*ArcSin[c + d*x]))/b)^n*Gamma[1 + n, ((-I )*(a + b*ArcSin[c + d*x]))/b] + I*2^n*3^(1 + n)*(1 + 4*c^2)*E^(((4*I)*a)/b )*(((-I)*(a + b*ArcSin[c + d*x]))/b)^n*Gamma[1 + n, (I*(a + b*ArcSin[c + d *x]))/b] + 2*3^(1 + n)*c*E^((I*a)/b)*((I*(a + b*ArcSin[c + d*x]))/b)^n*Gam ma[1 + n, ((-2*I)*(a + b*ArcSin[c + d*x]))/b] + 2*3^(1 + n)*c*E^(((5*I)*a) /b)*(((-I)*(a + b*ArcSin[c + d*x]))/b)^n*Gamma[1 + n, ((2*I)*(a + b*ArcSin [c + d*x]))/b] + I*2^n*((I*(a + b*ArcSin[c + d*x]))/b)^n*Gamma[1 + n, ((-3 *I)*(a + b*ArcSin[c + d*x]))/b] - I*2^n*E^(((6*I)*a)/b)*(((-I)*(a + b*ArcS in[c + d*x]))/b)^n*Gamma[1 + n, ((3*I)*(a + b*ArcSin[c + d*x]))/b]))/(d^3* E^(((3*I)*a)/b)*((a + b*ArcSin[c + d*x])^2/b^2)^n)
Time = 1.00 (sec) , antiderivative size = 591, normalized size of antiderivative = 0.97, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.312, Rules used = {5304, 27, 5246, 7293, 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.
\(\displaystyle \int x^2 (a+b \arcsin (c+d x))^n \, dx\) |
\(\Big \downarrow \) 5304 |
\(\displaystyle \frac {\int x^2 (a+b \arcsin (c+d x))^nd(c+d x)}{d}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {\int d^2 x^2 (a+b \arcsin (c+d x))^nd(c+d x)}{d^3}\) |
\(\Big \downarrow \) 5246 |
\(\displaystyle \frac {\int d^2 x^2 \sqrt {1-(c+d x)^2} (a+b \arcsin (c+d x))^nd\arcsin (c+d x)}{d^3}\) |
\(\Big \downarrow \) 7293 |
\(\displaystyle \frac {\int \left (c^2 \sqrt {1-(c+d x)^2} (a+b \arcsin (c+d x))^n+(c+d x)^2 \sqrt {1-(c+d x)^2} (a+b \arcsin (c+d x))^n-2 c (c+d x) \sqrt {1-(c+d x)^2} (a+b \arcsin (c+d x))^n\right )d\arcsin (c+d x)}{d^3}\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {-\frac {1}{2} i c^2 e^{-\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,-\frac {i (a+b \arcsin (c+d x))}{b}\right )+\frac {1}{2} i c^2 e^{\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,\frac {i (a+b \arcsin (c+d x))}{b}\right )-\frac {1}{8} i e^{-\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,-\frac {i (a+b \arcsin (c+d x))}{b}\right )+c 2^{-n-2} e^{-\frac {2 i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,-\frac {2 i (a+b \arcsin (c+d x))}{b}\right )+\frac {1}{8} i 3^{-n-1} e^{-\frac {3 i a}{b}} (a+b \arcsin (c+d x))^n \left (-\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,-\frac {3 i (a+b \arcsin (c+d x))}{b}\right )+\frac {1}{8} i e^{\frac {i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,\frac {i (a+b \arcsin (c+d x))}{b}\right )+c 2^{-n-2} e^{\frac {2 i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,\frac {2 i (a+b \arcsin (c+d x))}{b}\right )-\frac {1}{8} i 3^{-n-1} e^{\frac {3 i a}{b}} (a+b \arcsin (c+d x))^n \left (\frac {i (a+b \arcsin (c+d x))}{b}\right )^{-n} \Gamma \left (n+1,\frac {3 i (a+b \arcsin (c+d x))}{b}\right )}{d^3}\) |
(((-1/8*I)*(a + b*ArcSin[c + d*x])^n*Gamma[1 + n, ((-I)*(a + b*ArcSin[c + d*x]))/b])/(E^((I*a)/b)*(((-I)*(a + b*ArcSin[c + d*x]))/b)^n) - ((I/2)*c^2 *(a + b*ArcSin[c + d*x])^n*Gamma[1 + n, ((-I)*(a + b*ArcSin[c + d*x]))/b]) /(E^((I*a)/b)*(((-I)*(a + b*ArcSin[c + d*x]))/b)^n) + ((I/8)*E^((I*a)/b)*( a + b*ArcSin[c + d*x])^n*Gamma[1 + n, (I*(a + b*ArcSin[c + d*x]))/b])/((I* (a + b*ArcSin[c + d*x]))/b)^n + ((I/2)*c^2*E^((I*a)/b)*(a + b*ArcSin[c + d *x])^n*Gamma[1 + n, (I*(a + b*ArcSin[c + d*x]))/b])/((I*(a + b*ArcSin[c + d*x]))/b)^n + (2^(-2 - n)*c*(a + b*ArcSin[c + d*x])^n*Gamma[1 + n, ((-2*I) *(a + b*ArcSin[c + d*x]))/b])/(E^(((2*I)*a)/b)*(((-I)*(a + b*ArcSin[c + d* x]))/b)^n) + (2^(-2 - n)*c*E^(((2*I)*a)/b)*(a + b*ArcSin[c + d*x])^n*Gamma [1 + n, ((2*I)*(a + b*ArcSin[c + d*x]))/b])/((I*(a + b*ArcSin[c + d*x]))/b )^n + ((I/8)*3^(-1 - n)*(a + b*ArcSin[c + d*x])^n*Gamma[1 + n, ((-3*I)*(a + b*ArcSin[c + d*x]))/b])/(E^(((3*I)*a)/b)*(((-I)*(a + b*ArcSin[c + d*x])) /b)^n) - ((I/8)*3^(-1 - n)*E^(((3*I)*a)/b)*(a + b*ArcSin[c + d*x])^n*Gamma [1 + n, ((3*I)*(a + b*ArcSin[c + d*x]))/b])/((I*(a + b*ArcSin[c + d*x]))/b )^n)/d^3
3.2.73.3.1 Defintions of rubi rules used
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_.) + ArcSin[(c_.)*(x_)]*(b_.))^(n_)*((d_.) + (e_.)*(x_))^(m_.), x_S ymbol] :> Simp[1/c^(m + 1) Subst[Int[(a + b*x)^n*Cos[x]*(c*d + e*Sin[x])^ m, x], x, ArcSin[c*x]], x] /; FreeQ[{a, b, c, d, e, n}, x] && IGtQ[m, 0]
Int[((a_.) + ArcSin[(c_) + (d_.)*(x_)]*(b_.))^(n_.)*((e_.) + (f_.)*(x_))^(m _.), x_Symbol] :> Simp[1/d Subst[Int[((d*e - c*f)/d + f*(x/d))^m*(a + b*A rcSin[x])^n, x], x, c + d*x], x] /; FreeQ[{a, b, c, d, e, f, m, n}, x]
\[\int x^{2} \left (a +b \arcsin \left (d x +c \right )\right )^{n}d x\]
\[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\int { {\left (b \arcsin \left (d x + c\right ) + a\right )}^{n} x^{2} \,d x } \]
\[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\int x^{2} \left (a + b \operatorname {asin}{\left (c + d x \right )}\right )^{n}\, dx \]
\[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\int { {\left (b \arcsin \left (d x + c\right ) + a\right )}^{n} x^{2} \,d x } \]
\[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\int { {\left (b \arcsin \left (d x + c\right ) + a\right )}^{n} x^{2} \,d x } \]
Timed out. \[ \int x^2 (a+b \arcsin (c+d x))^n \, dx=\int x^2\,{\left (a+b\,\mathrm {asin}\left (c+d\,x\right )\right )}^n \,d x \]