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If x=a/(a-1) and y=1/(a-1) , then x is e...

If `x=a/(a-1)` and `y=1/(a-1)` , then `x` is equal to `y` (b) `x` is equal to `y` only if `a<1` (c) `x` is greater than `y` (d) `x` is greater than `y` only if `a<1` (e) `y` is greater than `x` only if `a<1`

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