Question

the value of k for which the expression X2+4x+k is a perfect square​

Answer 1

hope it helps mark the brainliest

Answer 2

Step-by-step explanation:

b²-4ac=0 then there are equal and real roots

here b=1 , a=4 & c=k

Now put the values :

=> (1)²-4(4)(k) =0

=>1-16k=0

=>16k = 1

=> k =1/16

Hope this will help you friend :)