Question

-1
If 4 + y
R
the
value
(2470), what is
of 2²-pe

Answer 1

Answer:

If x/y+y/x= -1

Simplifies to x²+xy+y²=0

as,

( x³-y³)

= (x+y)(x²+xy+y²)

=(x+y)×0

=0

Your answer is 0

Hope it will help you....