Which trinomials are perfect square trinomials?

Select EACH correct answer.

A. a^2+14a+49

B. a^2+26a+169

C. a^2+4a+16

D. a^2+15a+75

Respuesta :

A and B can be factorized to get perfect squares (a+7)^2 and (a+13)^2 while otheres cannot be factorized to get perfect squares