Question

Which of the following is an identity?

(a) (p + q)^ 2 = p^2 + q^2

(b) p^2 – q^2 = (p – q)^ 2

(c) p^2 – q^2 = p^2 + 2pq – q^2

(d) (p + q)^ 2 = p^2 + 2pq + q^2​

Answer 1

Answer:

D) (p+q)^2 = p^2+2pq+q^2

Step-by-step explanation:

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Answer 2

Answer:

D option.

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