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Practice Online Test Series for JEE Main 2018 & NEET 2018

The functions `f:R -> R` is defined by

`f(x)=|(x-1)(x-2)|` is

A.

one one onto

B.

one one into

C.

many one onto

D.

many one into

Solution

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Best answer

Clearly from the graph, f is many one into function.