Find all possible values of `(x^2+1)/(x^2-2)` .

Find all the possible values of f(x) =(1-x^2)/(x^2+3)

Find all possible values of expressions (2+x^2)/(4-x^2)

Find the smallest possible value of x^(2)+y^(2) given that x + y = 10.

For x in R , find all possible values of |x-3|-2 (ii) 4-|2x+3|

Find the possible values of sin^(-1) (1 - x) + cos^(-1) sqrt(x -2)

Find the possible values of sqrt(|x|-2) (ii) sqrt(3-|x-1|) (iii) sqrt(4-sqrt(x^2))

Find all the possible values of the following expressions: 1/(x^2+2) (ii) 1/(x^2-2x+3) (iii) 1/(x^2-x-1)

Find all possible values ( range) of the following quadratic expressions when x in R and when x in [-3,2] (a) 4x^2+28x+41 (b) 1+6x -x^2

Find the possible values of a such that f(x)=e^(2x)-(a+1)e^x+2x is monotonically increasing for x in Rdot