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AP EAPCET 19-Aug-2021 Shift 2 Paper
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© examsnet.com
Question : 2
Total: 160
The domain of the function
f
(
x
)
=
1
[
x
]
−
1
, where
[
x
]
is greatest integer function of
x
is
R
−
(
1
,
2
)
R
−
{
1
}
R
−
{
0
,
1
}
R
−
[
1
,
2
)
Validate
Solution:
f
(
x
)
=
1
[
x
]
−
1
f
(
x
)
is not defined when
[
x
]
−
1
=
0
⇒
[
x
]
=
1
⇒
1
≤
x
<
2
⇒
x
∈
[
1
,
2
)
Domain
f
=
R
−
[
1
,
2
)
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