Question

a³+b³=(a+b)(a²±ab+b³)

Answer 1

Step-by-step explanation:

rhs is wrong OK

answer will be

a³+b³+3abc

Answer 2

I think that

The formula is wrong..

It should be a³+b³=(a+b)(a²-ab+b²)

or

a³+b³=(a+b)³3-3ab(a+b)

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