Math, asked by simranganguly06, 7 months ago

Factorise :-
2ab-a^2-b^2+1

Answers

Answered by Imblank

7

Step-by-step explanation:

2ab-a²-b²+1

Inversing signs

a²+b²-2ab-1

(a-b)²-(1)²

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

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