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(a + b)2 – 2ab = ______ + ______. - Mathematics

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Question

(a + b)2 – 2ab = ______ + ______.

Fill in the Blanks

Solution

(a + b)2 – 2ab = a2 + b2.

Explanation:

We have,

(a + b)2 – 2ab = a2 + b2 + 2ab – 2ab  ...[∵ (a + b)2 = a2 + b2 + 2ab]

= a2 + b2

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Chapter 7: Algebraic Expression, Identities and Factorisation - Exercise [Page 228]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 7 Algebraic Expression, Identities and Factorisation
Exercise | Q 40. | Page 228

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