If \[y=f(x)=\frac{x+2}{x-1}\], then \[x=\] [IIT 1984]

1.	If \[y=f(x)=\frac{x+2}{x-1}\], then \[x=\] [IIT 1984]
A.	\[f(y)\]
B.	\[2f(y)\]
C.	\[\frac{1}{f(y)}\]
D.	None of these
Answer» B. \[2f(y)\]

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If \[y=f(x)=\frac{x+2}{x-1}\], then \[x=\] [IIT 1984]

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