Question

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

Answer 1

Answer:

option - (d) (b+c)² = b²+2bc+c² is an identity

Answer 2

Answer:

(d)

Step-by-step explanation:

(a+b )^2=a^+2ab+b^2