(-2-root3)(-2+root3)
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Dear Sir,
This equals (-2)^2 - (√3)^2 by identity (a-b) (a+b)
= 4 - 3 = 1..
____________________
Hope this helps
This equals (-2)^2 - (√3)^2 by identity (a-b) (a+b)
= 4 - 3 = 1..
____________________
Hope this helps
kin20:
are you sure
truly sir
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