If x is real, show that the expression `(4x^2+36 x+9)/(12 x^2+8x+1)` can have any real value .

If x is real,show that the expression (4x^(2)+36x+9)/(12x^(2)+8x+1) can have any real value.

Show that the expression (x^2-3x+4)/(x^2+3x+4) lies between 1/7 and 7 for real values of x.

If x is real,then the least value of the expression (x^(2)-6x+5)/(x^(2)+2x+1) is

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 then the value of the expression (2x^2+4x+1)/(x^2+4x+2) is A. only +ve number B. only -ve number C. any number D. only1

Number of integral values of 'a for which the expression (x^(2)-ax+11)/(x^(2)-5x+4) can assume all real values is

If x is real, then the value of the expression (x^2+14x+9)/(x^2+2x+3) lies between (a) 5 and 4 (b) 5 and -4 (c) -5 and 4 (d) none of these

If x is real,the expression (x+2)/(2x^(2)+3x+6) takes all value in the interval

If 'x' is real, then greatest value of the expression, (x+2)/(2x^(2)+3x +6) is :