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Byju's Answer
Standard XII
Mathematics
Definition of Functions
The domain of...
Question
The domain of the function
f
(
x
)
=
1
√
x
−
[
x
]
A
R
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B
R
−
{
Z
}
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C
Z
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D
none of these
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Solution
The correct option is
B
R
−
{
Z
}
We have
f
(
x
)
=
1
√
x
−
|
x
|
⇒
x
−
[
x
]
>
0
⇒
x
>
[
x
]
is defined only when
x
∉
Z
.
Domain of
f
(
x
)
is
R
−
Z
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Similar questions
Q.
The domain of the function f(x) given by
f
(
x
)
=
1
√
x
−
(
x
]
where [.] is greatest integer function, is