Question

find the value of k for the eauation x^2+4x+k is a perfect square​

Answer 1

Answer:

k=2,

it is a perfect square

Step-by-step explanation:

x^2+4x+k

x^2+2*x*2+k

it is of the form(a^2+2ab+b^2)=(a+b)^2

therefore,

k=2,as b=2