Question

What should be added to x3 + 3x²y + 3xy2 + y3 to get
x3 +y3?

1--X3 - y3

2-3x'y + 3xy2 ?

3- 3x²y - 3xy2

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Answer 1

Answer:

3- 3x²y - 3xy2 should be added to x3 + 3x²y + 3xy2 + y3 to get

x3 +y3