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

int (2x)/sqrt(1-x^2-x^4) 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: int1/(sqrt(x^2-4x+2))\ dx

Evaluate: int1/(sqrt(x^2-4x+2))\ dx

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

int sqrt(1 + 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

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

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

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