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Questions  

The  range of f(x) =log{x}, where {} represents the fractional part function). 

a
-∞,0
b
∞,0
c
R
d
N

detailed solution

Correct option is A

We know that 0≤{x}<1∀x∈R Now, when {x}=0,log⁡{x} is not defined. So, x cannot be an  integer. Hence, the domain is R−I .  Now, for 0<{x}<1,−∞

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