Math, asked by satendrakumar750585, 4 months ago

5. ab - a - b + 1 = ?

Answers

Answered by DeveshDhotre

0

Answer:

1

Step-by-step explanation:

Answered by dilliprasaddhakal528

0

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

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