JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

Let $A = {x \in R : x is not a positive integer}$ . Define a function f : A $\to$ R as $f (x) = \frac{2 x}{x - 1}$ , then f is

A
neither injective nor surjective
B
surjective but not injective
C
not injective
D
injective but not surjective

Solution

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