1.Relation and Function
normal

The domain of $f(x) = [\sin x] \cos \left( {\frac{\pi }{{[x - 1]}}} \right)$ is (where $[.]$ denotes $G.I.F.$)

A

$R$

B

$R -\{1\}$

C

$R -(1, 2)$

D

$R -[1, 2)$

Solution

$[\mathrm{x}-1] \neq 0$

$[\mathrm{x}] \neq 1$

$x \notin 1$

$x \notin[1,2)$

Standard 12
Mathematics

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