[" Q.19.The expression "],[(a-2)x^(2)+2(2a-3)x+(5a-6)" is "],[" positive for "],[" all real values of "x" ,then "]

The expression (a-2)x^(2)+2(2a-3)x+(5a-6) is positive for all real value of x, then

If the expression x^(2)-(m+2)x+4 is always positive for all real values of x, then find range of m

The value of 'a' for which the quadratic expression ax^(2)+|2a-3|x-6 is positive for exactly two integral values of x is

The value of 'a' for which the quadratic expression ax^(2)+|2a-3|x-6 is positive for exactly two integral values of x is

The values of a for which (a^(2)-1)x^(2)+2(a-1)x+2 is positive for all real x are

the values of a for which (a^(2)-1)x^(2)+2(a-1)x+2 is positive for all real x are.

Find the values of a for which the expression (ax^2+3x-4)/(3x-4x^2+a) assumes all real values for all real values of x

the values of a for which (a^2-1)x^2+2(a-1)x+2 is positive for all real x are.

Find the sign of 6x^(2)-5x+1 for all real value of x.