what is the value of (x+y) if (x+ y³/x²)^-1 - (x²/y + y²/x)^-1 + (x³/y³ + y)^-1 = 1/3
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Originally Answered: What is the value of x³+y³, when x+y=10 and x²+y²=60.? The first thing one can note is that x^3 + y^3 = ...
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