Question

GEOMETRICAL PROOFS of (a+b)² , (a-b)² and ( a²-b²)​

Answer 1

Step-by-step explanation:

(a+b)²

(a+b)(a+b)

a²+ab+ba+b²

a²+2ab+b²

(a-b)²

(a-b)(a-b)

a²-ba-ba+b²

a²-2ab+b²

(a²-b²)

(a+b)(a-b)

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