NCERT Solutions for Class 9 Maths Chapter 2
Important NCERT Questions
Polynomials
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 2.5
Page No:48
Questions No:3 part:3
Factorise the following using appropriate identities: x²- y²/100
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(iii) x² – y²/100
= x² – (y/100)²
= (x + y/100)(x – y/100) [∵ a² – b² = (a + b)(a – b)]