Question

A+ B whole square -+ A- B whole square​

Answer 1

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The a minus b whole square formula from basic algebra has been explained in this video in Hindi language. Geometric derivation (visual proof) of this formula / algebraic identity, (a-b)²=a²-2ab+b² has been shown.

Answer 2

Answer:

(a+b)2= a2 +2ab+b2

and

(a-b)= a2 -2an+b2