9x^(2)+8kx+16=0

If x^(2) - 8kx + 16 = 0 has equal roots then ….

If the equation x^(2)+5kx+16=0 has no real roots then

If 9x^(2) + kx + 1 = 0 has equal roots, find the value of k.

Find the value of k if 9x^2 + kx +1=0 has equal roots.

Find the values of k for which the given equation has real roots: 9x^(2)+3kx+4=0

Find the values of k for which the given quadratic equation has real and distinct roots: (i) kx^(2)+6x+1=0" "(ii)" "x^(2)-kx+9=0 (iii) 9x^(2)+3kx+4=0" "(iv)" "5x^(2)-kx+1=0

Find k if the sum of the roots of the quadratic equation 4x^(2)+8kx+k+9=0 is equal to their product.

If the roots of x^3 - 9x^2 +kx +l=0 are in A.P with common difference 2 then (k,l) =

If the roots of x^3 - 9x^2 +kx +l=0 are in A.P with common difference 2 then (k,l) =