Question

a(b-c)+b(c-a)+c(a-b)

Answer 1

Hope it will help you

Answer 2

hye

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a(b-c)+b(c-a)+c(a-b)

lets multiplly it

=> ab  - ac +bc - ab +ac - bc

=>[ab - ab][ -ac +ac] +[bc-bc]

=>  0


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hope it helps u........