Question

the roots of x^2 +is + k =0 are real and equal find k​

Answer 1

Answer:

Given x² + Kx + k

roots are real and equal

= b² – 4ac = 0

= (k)² – 4(1)(k) = 0

= k² – 4k = 0

= k (k – 4) = 0

= k = 0 or k = 4