Question

find the value of k for quadratic equation so that they have two equal roots kx2+4x+1=0

Answer 1

k=8

Step-by-step explanation:

Discriminant=b2-4ac

They have equal roots so the discriminant=0

b2-4ac=0

a=k,b=4,c=1

(4)2-2×k×1=0

16-2k=0

-2k=-16

k=8

I hope this answer may help you

Answer 2

Please find the attachment.

I hope it helps