Math, asked by rajnijha30, 10 months ago

Factorise ab-a-b+1=?

Answers

Answered by harshraj1807

1

Answer:

ab-a-b+1

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

(b-1)(a-1)

Answered by rishu6845

1

Answer:

ab-a-b+1=a(b-1)-1(b-1)

=(b-1)(a-1)

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