Question

if the quadratic equation is ax^2 +ax+ak=0 has equal roots then what is the valie of K ? answer options a)-4 ,b)1/4 ,c)1/2 ,d)4 (no spamming☑️ otherwise reported ❌)​

Answer 1

Answer:

For equal root D =0.

b^2 -4ac = 0

substitute the values in you get:-

1^2 -4k= 0

1= 4k

k = 1/4

option b is right