" If "x in R" then "(x^(2)+2x+a)/(x^(2)+4x+3a)" can take all real values if "

If x is real then (x^(2)-x+c)/(x^(2)+x+2c) can take all real values if

For x in R, the expression (x^(2)+2x+c)/(x^(2)+4x+3c) can take all real values if c in

If x is real and (x^(2)+2x+c)/(x^(2)+4x+3c) can take all real values,of then show that 0<=c<=1

If x is real and (x^2+2x+c)//(x^2+4x+3c) can take all real values, of then show that 0lt=clt=1.

If x is real and (x^2+2x+c)/(x^2+4x+3c) can take all real values, of then show that 0lt=clt=1.

If x is real and (x^2+2x+c)//(x^2+4x+3c) can take all real values, of then show that 0lt=clt=1.

Find the interval in which .'m' lies so that the expression (mx^(2) + 3x-4)/(-4x^(2)+3 x + m) can take all real values, x in R .

Find the interval in which 'm' lies so that the expression (mx^(2)+3x-4)/(-4x^(2)+3x+m) can take all real values,x in R.