Simplify:-
(a+b-c)² + (a-b+c)² + 2(a+b-c) (a-b+c)
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this formula
of {a+b} ^2 ka formula okkkkk
ans. is {a+b-c+a-b+c}^2
=a^2.......
mark it brainiest
of {a+b} ^2 ka formula okkkkk
ans. is {a+b-c+a-b+c}^2
=a^2.......
mark it brainiest
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