[" 2."int(x-1)sqrt(x+1)dx],[" 4."int x sqrt(2x+1)dx]

int x sqrt(1-2x)dx

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

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

int sqrt(1-4x^(2))dx

int(x^2+2x+1)/sqrt(x+4)dx

int (4x-1) sqrt(x^2-x-2) dx

Evaluate : (i) int((x-1))/(sqrt(x+4))dx (ii) intxsqrt(x+2)dx (iii) f(4x-2)sqrt(x^(2)+x++1)dx (iv) int((4x+3))/(sqrt(2x^(2)+3x+1))dx

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

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

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