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

int sqrt(3-4x^(2))dx

(i) int 1/sqrt(4+x^2) dx (ii) int 1/sqrt(9+x^2) dx (iii) int 1/sqrt(1+4x^2) dx

4. int1/sqrt(4x-x^2)dx

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

Evaluate: (i) int(1)/(sqrt(1+4x^(2)))dx (ii) int(1)/(sqrt(a^(2)+b^(2)x^(2)))dx

Evaluate the following integrals. (i) int 1/((x - 2)^2 + 1)dx " " (ii) int (x^2)/(x^2 + 5)dx " " (iii) int 1/(sqrt(1 + 4x)^2)dx

Evaluate: (i) int4x^(3)sqrt(5-x^(2))dx (ii) int(1)/(sqrt(x)+x)dx

int(1)/(sqrt(3-4x))dx

Evaluate: (i) int1/(sqrt(1+4x^2))\ dx (ii) int1/(sqrt(a^2+b^2\ x^2))\ dx

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