" If "x" is real and "k=(x^(2)-x+1)/(x^(2)+x+1)," then "

If x^(2)=k+1 , then (x^(4)-1)/(x^(2)+1) =

For real value of x, the range of (x^(2)+2x+1)/(x^(2)+2x-1) is

If x is real, then the minimum value of y=(x^(2)-x+1)/(x^(2)+x+1) is

For real x.maximum value of (x^(2)-x+1)/(x^(2)+x+1) is

For all real values of x if |(x^(2)-3x-1)/(x^(2)+x+1)|<3 limit of x are

If x is real then the minimum value of (x^(2)-x+1)/(x^(2)+x+1) is

If x is real, then find the minimum value of (x^(2)-x+1)/(x^(2)+x+1) .

If |(x^(2) + kx + 1)/(x^(2)+x+1)| lt 3 for real x, then k is in the interval

The number of integral values of K the inequality |(x^(2)+kx+1)/(x^(2)+x+1)|<3 is satisfied for all real values of x is...]|