Question

is a square + 2A + 4 a perfect square​

Answer 1

x^2 + 2x + 4

Here a = 1 ; b = 2 ; c = 4

D = b^2 - 4ac = 2^2 - 4*1*4 = 4 - 16 = -12

Since D is not equal to 0.

.•. x^2 + 2x + 4 is not a perfect square