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Find the Following Squares by Suing the Identities. (B − 7)Square2 - CBSE Class 8 - Mathematics

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Question

Find the following squares by suing the identities.

(b − 7)2

Solution

(b − 7)2 = (b)2 − 2(b) (7) + (7)2 [(a − b)2 = a2 − 2ab + b2]

= b2 − 14b + 49

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 to Current)
Chapter 9: Algebraic Expressions and Identities
Ex. 9.50 | Q: 3.1 | Page no. 151

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Solution Find the Following Squares by Suing the Identities. (B − 7)Square2 Concept: Standard Identities.
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