Show that ^−1+ ^−1/x^-1 + ^−1+ ^−1/y^-1 = x^2 + y^2/xy
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0
Answer:
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Step-by-step explanation:
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Answered by
0
Answer:
(x + y)(
2
- xy +
2
) + (x - y)(
2
+ xy +
2
)
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