" 33."int(1)/((1+x^(2))sqrt(1-x^(2)))dx

int(1)/(x)((1-x)/(sqrt(1-x^(2))))dx

int(dx)/((1+x)sqrt(1+x-x^(2)))dx

int (dx)/((1+x)sqrt(1+2x-x^(2)))

int_(1)^(2) (x)/(sqrt(1+2x^(2)))dx

int_(1)^(2) (x)/(sqrt(1+2x^(2)))dx

int(dx)/(1+x^(2))sqrt(2)(1+x)^(2)

int_(1//2)^(1) (1)/(sqrt(x-x^(2)))dx=

int_(1)^(2)(1)/(x sqrt(x^(2)-1))dx=

Evaluate the following : (i) int(x+(1)/(x))^(3//2)((x^(2)-1)/(x^(2)))dx " (ii) " int(sqrt(2+logx))/(x)dx (iii) int((sin^(-1)x)^(3))/(sqrt(1-x^(2)))dx " (iv) " int(cotx)/(sqrt(sinx))dx