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Maharashtra State BoardSSC (English Medium) 7th Standard
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Revision: Algebraic Formulae - Expansion of Squares Maths SSC (English Medium) 7th Standard Maharashtra State Board

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Formulae [3]

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

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

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

Concepts [5]

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