Determine the range of the following expressions.
`(x^(2)+x+1)/(x^(2)-x+1)`

Determine the range of the following expressions. (2x^(2)-6x+5)/(x^(2)-3x+2)

Determine the range of the following expressions. ((x-1)(x+2))/(x+3)

Determine the range of the following expressions. (x+2)/(2x^(2)+3x+6)

Find the square root of the algebraic expression which is the average of the following expressions x^(2) + (1)/(x^(2)), -2 (x - (1)/(x)) and -1

Q.If x be real,then find the range of the following rational expressions (i) (x^(2)+x+1)/(x^(2)+1) (i) y=(x^(2)-2x+9)/(x^(2)-2x-9)

If x be real then find the range of the following rational expressions (i) y=(x^(2)+x+1)/(x^(2)+1) (ii) y=(x^(2)-2x+9)/(x^(2)+2x+9)

Find the range of the following functions. y=(x^(2))/(1+x^(2))

Find the range of each of the following functions (x^(2)+x+2)/(x^(2)+x+1)

Find the range of the following functions : x^2 - 1//x^2 + 1

Find the ranges of the following functions : y=(x^2)/(1+x^2)