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Let f(x,y) = (y^(2) -xy)/(sqrt(x)-sqrt(y...

Let `f(x,y) = (y^(2) -xy)/(sqrt(x)-sqrt(y))` for `(x,y) ne (0,0)`. Show that `lim_((x,y) to (0,0)) f(x,y) =0`

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The correct Answer is:
`y=0`
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