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Home  >>  AIMS  >>  Class11  >>  Math  >>  Relations and Functions
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If the functions f: R −{1} $ \rightarrow $ R and g: R −{−2} $ \rightarrow $ R are defined by $ f(y) = \large\frac{y}{y-1}$ and $g(y) = \large\frac{y+4}{y+2}$, then (f − g): R − {1, −2} $ \rightarrow $ R is given by

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$ (f-g)(y) = \large\frac{4-y}{(y-1)(y+2)}$
Hence (D) is the correct answer.
answered Jun 28, 2014 by thanvigandhi_1
 

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