1 - 100a2 = = (1)2 – (10a)2 = (1 + 10a) (1 – 10a) ...[a2 – b2 = (a + b) (a – b)]

Factorise: 1 - 100a2 - Mathematics

Sum

Factorise: 1 - 100a²

1 - 100a²

= = (1)² – (10a)²

= (1 + 10a) (1 – 10a) ...[a² – b² = (a + b) (a – b)]

Concept: Factorisation by Difference of Two Squares

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Chapter 13: Factorisation - Exercise 13 (C) [Page 159]

Chapter 13 Factorisation
Exercise 13 (C) | Q 2 | Page 159

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