Find the value (s) of k for which the given quadratic equations has real and equal roots:
(ii) `kx(x-2sqrt(5))+10=0`.

Find the value (s) of k for which the given quadratic equations has real and equal roots: (i) 9x^2+8kx+16=0 .

Find the value (s) of k for which the given quadratic equations has real and equal roots: (i) 9x^2+8kx+16=0 .

Find the value (s) of k for which the given quadratic equations has real and equal roots: (i) 9x^2+8kx+16=0 .

Find the value of k for which given quadratic equation has real and equal roots: 4x^2-3kx+1=0

Find the value of k for which the quadratic equation 3x^2+kx+3=0 has real and equal roots.

Find the value of k for which given quadratic equation has real and equal roots: k^2x^2-2(k-1)x+4=0

Find the value of k for which the quadratic equation 3x^(2)+kx+3=0 has real and equal roots.

Find the values of k for which the following quadratic equation has real and equal roots: x^(2)+k(2x+k-1)+2=0

Find the value of K' for which the given equation has real and equal roots.2x^(2)-10x+k=0

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