Factorise: x³-
3x²y + 3xy²-y³
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Answer:
Answer is (x-y)(x-y)(x-y)
Step-by-step explanation:
We know that (a-b)³ = a³ - 3a²b + 3ab² - b³
so x³- 3x²y + 3xy²-y³ = (x-y)³ = (x-y)(x-y)(x-y)