`int sqrt(x^(2) + 4x + 1) dx`.

Evaluate the following : (i) int sqrt(4 - x^2) dx " " (ii) int sqrt(25 x^2 - 9)dx " " (iii) int sqrt(x^2 + x + 1) dx .

Evaluate: int sqrt(3x^(2)+4x+1)dx

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

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

Evaluate int (1)/(sqrt(x^(2) - 4x - 12)) dx.

Evaluate the following integrals: int sqrt(2x^2-1)(4x)dx .

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

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

int (1)/(sqrt(x^(2)-4x-5))dx=