Math, asked by deepatangripckfqs, 1 year ago

factorise l-2ab-a²-b²

Answers

Answered by gaurav2013c
3
Solution is in the attachment..
Attachments:
Answered by hipsterizedoll410
2

Answer: (1 + a +b).(1 - a - b)


Step-by-step explanation:

1 - 2ab - (a 2 + b 2 )

= 1 -2ab -a2- b2

= 1 - (2ab +a2 +b2)

= 1- (a+b)2

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


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