plzz fast ............
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★ ALGEBRA RESOLVED ★
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x/y + y/x = -1
making denominator equal,
(x²+y²)/xy = -1
x²+y² = -xy (cross multiply)
x²+y²+ xy = 0. (equation i)
we know that
x³-y³ = (x-y)(x²+y²+ xy)
x³-y³ = (x-y)(0). (from equation i)
x³-y³ = 0
hope this helps
making denominator equal,
(x²+y²)/xy = -1
x²+y² = -xy (cross multiply)
x²+y²+ xy = 0. (equation i)
we know that
x³-y³ = (x-y)(x²+y²+ xy)
x³-y³ = (x-y)(0). (from equation i)
x³-y³ = 0
hope this helps
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