Find the values of `k` for which the roots are real and equal in the following equations: `k x(x-2)+6=0` (ii) `x^2-4k x+k=0`

Find the values of k for which the roots are real and equal in the following equations: (i) k x(x-2)+6=0 (ii) x^2-4k x+k=0

Find the values of k for which the roots are real and equal in the following equations: kx(x-2)+6=0 (ii) x^(2)-4kx+k=0

Find the values of k for which the roots are real and equal in the following equations: 2kx^(2)-40x+25=0 (ii) 9x^(2)-24x+k=0

Find the values of k for which the roots are real and equal in the following equations: (i) 3x^2-5x+2k=0 (ii) 4x^2+k x+9=0

Find the values of k for which the roots are real and equal in the following equations: (i) 2k x^2-40 x+25=0 (ii) 9x^2-24 x+k=0

Find the values of k for which the roots are real and equal in the following equations: 3x^(2)-5x+2k=0 (ii) 4x^(2)+kx+9=0

Find the values of k for which the roots are real and equal in the following equations : 5x^2-4x+2+k(4x^2-2x-1) = 0

Find the values of k for which the roots are real and equal in the following equations: (i) (k+1)x^2-2(k-1)x+1=0 (ii) 2x^2+k x+3=0

Find the values of k for which the roots are real and equal in the following equations: (i) k x(x-2sqrt(5))+10=0 (ii) k x(x-3)+9=0 (iii) 4x^2+k x+3=0

Find the values of k for which the roots are real and equal in the following equations: (i) k x^2+4x+1=0 (ii) k x^2-2sqrt(5)x+4=0