Let f(x) = x - [x] ∈ R, then f (1 2 ) is: - Vidyadip

MCQ

Let f(x) = x - [x] ∈ R, then $ \text{f}\Big(\frac{1}{2}\Big)$ is:

A
$ \frac{3}{2}$
B
1
C
0
D
-1

✓

Answer

1

Solution:

Given,

f(x) = x - [x]

f(x) = 1 - 0 {[x] = integer less than or equal to x}

$ \text{f}\Big(\frac{1}{2}\Big)=1$

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