Question

Findthevalue (s)ofkforwhichtheequationx2+5x+16=0hasrealandequalroot

Answer 1

Answer:

Step-by-step explanation:

a=2,b=5,c=16

b^2-4ac= 5^2-4×(2×16)

             =25-128

              =-103

-103<0

Therefore, roots are not real