Math, asked by kunalsinha2669, 8 months ago

Factorise : ab – a – b + 1. YoFactorise : ab – a – b + 1.
Your answer

Answers

Answered by arijitduttachowdhury

2

Step-by-step explanation:

ab-a-b+1

= a(b-1)-1(b-1)

= (b-1)(a-1)

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