A) x
B) \[x+1\]
C) \[x-1\]
D) \[1-x\]
Correct Answer: D
Solution :
\[f(x)=\frac{x}{x-1}=\frac{1}{y}\,\,\Rightarrow \,\,\frac{-1}{x-1}=\frac{y-1}{y}\] {Applying dividendo} \[\Rightarrow \,\,\frac{x-1}{-1}=\frac{y}{y-1}\,\Rightarrow \,\,-x+1=f(y).\]
You need to login to perform this action.
You will be redirected in
3 sec
