Math, asked by kkavitha1470, 1 day ago

what is [( a-1) ( b-1)]²
please it's important
I need it
I will mark as brainliest
and don't think it's exam
it's my doubt

Answers

Answered by supremesoul2559

1

Answer:

a²-2ab²+4ab-2a+b²-2a²b-2b+(ab)²+1

Step-by-step explanation:

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