find the value of x^3+y^3 if x+y=3 and xy=2
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9
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Answer: – 9
Explanation:
x³ + y³ = (x + y)³ - 3xy (x + y)
= 3³ - 3(2)(3)
= 9 - 3(6)
= 9 - 18
= – 9
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