Math, asked by vikranth9901, 1 month ago

c) Factorise: (i) a - b - a3 + b3​

Answers

Answered by Anonymous
0

Step-by-step explanation:

a - b - a³ + b³

= a - b - ( a³ - b³ )

= a - b - [(a - b)(a² + b² + ab)]

= (a - b) - [(a - b)(a² + b² + ab)]

= (a - b)(1 - (a² + b² + ab))

using formula -y³ = (x-y)(++xy)

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