if X + Y is equal to 3 ,X Y is equal to 2 find the value of x cube + y cube
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12
Answer:
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Answered by
6
Answer:
9
Step-by-step explanation:
x+y=3
xy=2
x³+y³=?
x³+y³=(x+y)³-3xy(x+y)
=3³-3(2)(3)
27-18
9
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