how to solve 1 - 2ab - (a2-b2) by using a combination of two identities
Anonymous:
plz check the question if its a²-b² or a²+b²
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1- 2ab - (a2 + b2)
=1- 2ab - a2 - b2
= 1 - (2ab + a2 + b2)
= 1 - (a+b)2
= (1)2 - (a+b)2
= (1+a+b) (1-a-b)
=1- 2ab - a2 - b2
= 1 - (2ab + a2 + b2)
= 1 - (a+b)2
= (1)2 - (a+b)2
= (1+a+b) (1-a-b)
is it crct???☺
Plzz tll me
yeah and thank you so much
wlcm
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