Factorise : A2 - (B - C)2 - Mathematics

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Sum

factorise : a2 - (b - c)2 

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Solution

a2 - (b - c)2 

= (a - (b - c)) (a + b - c)  ...[a2 - b2 = (a - b)(a + b)]

= (a - b + c) (a + b - c)

Concept: Factorisation by Difference of Two Squares
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (F) | Q 3.1 | Page 163
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