Question

If x/y +y/x =-1,then find x³-y³​

Answer 1

Answer:

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Answer 2

Answer:

Tip:- x³-y³= (x-y) (x²+xy+y²)

Explanation:- we have, x/y + y/x = -1

We have to find out the value of x³-y³.

For this, we must solve above given equation.

Step:- x/y + y/x = -1

( x²+y²) / xy = -1

x² + y² = -xy

x² + xy + y² = 0

Now, X³- Y³ = (x-y) (x²+xy+y²)

= (x-y) × 0

= 0

Final Answer:- Hence the final answer is X³-Y³ = 0.

Step-by-step explanation: