Math, asked by rajx152, 9 months ago

Make it factorise with using formula if needed...
1+ab-a-b

Answers

Answered by Anonymous

1

1+ab-a-b

= ab-a-b+1

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

= (b-1)(a-1)

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Answered by Arshdeep314159265

1

1-a-b+ab

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

=(1-a)(1-b)

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