Find the value of (a-b)^2 + (a+b)^2.

A2a^2+2b^2

B4ab

Ca^2-b^2

Da^2+b^2

Explanation

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

Exam Relevance

Topic: Algebra
Subtopic: Identities

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