find the value of the expression
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Answer:
please find the attachment
Answer:-
According to the question,
2s = a+b+c
Now let's solve the question
(s+a)³-(s-b)³-3(s+a)(s-b)(a+b)
=(s+a)³-(s-b)³-3(s+a)(s-b)((s+a)-(s-b))
=[(s+a)-(s-b)]³
=(a+b)³
Done
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