Question

What is the value ofk in the roots of x2 katk-oax
and Ealal?​

Answer 1

Explanation:

Answer

Given x

2

+kx+k

roots are real & equal

∴b

2

−4ac=0

=(k)

2

−4(1)(k)=0

=k

2

−4k=0

=k(k−4)=0

∴ k = 0 or k = 4