" (ii) "x^(2)-4x+4=0

Find the value of discriminant for each of the following quadratic equations: "(i) " x^(2)+4x+4=0 " (ii) " x^(2)+4x+1=0 "(iii) " 3x^(2)+2x+1=0

4x^(2)-4x-80=0

Let a,b and c be three distinct real roots of the cubic x ^(3) +2x ^(2)-4x-4=0. If the equation x ^(3) +qx ^(2)+rx+le =0 has roots 1/a, 1/b and 1/c, then the vlaue of (q+r+s) is equal to :

Let a,b and c be three distinct real roots of the cubic x ^(3) +2x ^(2)-4x-4=0. If the equation x ^(3) +qx ^(2)+rx+le =0 has roots 1/a, 1/b and 1/c, then the vlaue of (q+r+s) is equal to :

The number of value (s) satisfying the equation e^(ln x3)-x^(2)-4x+4=0 is(are)

Draw the graph of y=x^(2)-4x+4 and hence solve x^(2)-4x+4=0