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Iditri singh
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Asked: 2021-03-11T05:24:04+00:00 In:

Use a suitable identity to get each of the following products: (i) (x+3)(x+3) (ii) (2y+5) (2y+5)

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NCERT Solutions for Class 8 Mathematics Chapter 9
Important NCERT Questions
Algebraic Expressions and Identities Chapter 9 Exercise 9.5
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 1

2020-2021algebraic expressions and identitiescbsechapter 9class8mathematicsncert
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    1. Best Answer

      (i) (x+3)(x+3) = (x+3)²
      = (x)²+2 X x X 3 +(3)² [Using identity (a+b)² =a²+2ab+b²]
      = x²+6x+9
      (ii) (2y+5) (2y+5)
      = (2y)²+2X2yx5+(5)²
      = 4y²+20y+25

      Class 8 Maths Chapter 9 Exercise 9.5 Solution in Video

      for more answers vist to:
      https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/

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