Question

if x/y+y/ x=-1 find x³-y³​

Answer 1

Step-by-step explanation:

applied =

a3-b3

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Answer 2

Step-by-step explanation:

x/y+y/x=-1

x²+y²/xy=-1

x²+y²=-xy

x²+y²+xy=0

x²+xy+y²=0

Then, x³-y³=(x+y)(x²+xy+y²)

x³-y³=(x+y)×0

x³-y³=0