Question

Which of the following is an identity? a) (b+c)2 = b2 +c2 b) b 2 -c 2 = (b+c)2 – 4bc c) b 2 -c 2 = (b-c)2 d) (b+c)2 = b2 +2bc+c2​

Answer 1

option (D) is correct

(b+c)²=b²+2bc+c²

Answer 2

Answer:

answer D is correct

b²+c²+2bc = (b+c)²