Question

find the value of the expression​

Answer 1

Answer:

please find the attachment

Answer 2

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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@BengaliBeauty

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