Factorise : A3 -a2 +A -1 - Mathematics

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Sum

Factorise : a3 -a2 +a -1 

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Solution

a3 -a2 +a -1 

= a2 (a - 1) + 1 (a - 1)

= (a - 1) (a2 + 1) 

Concept: Factorisation by Grouping
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 13 Factorisation
Exercise 13 (B) | Q 4 | Page 158
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