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Byju's Answer
Standard XII
Mathematics
Domain
The domain of...
Question
The domain of the function
f
x
=
∑
n
=
1
10
1
2
x
-
n
is __________ .
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Solution
f(x) =
∑
n
=
1
10
1
2
x
-
n
f(x) is not defined if 2x − n = 0
i
.
e
x
=
n
2
;
n
=
1
to
10
∴ Domain of f(x) is
ℝ
~
1
2
,
1
,
3
2
,
2
,
5
2
,
3
,
7
2
,
4
,
9
2
,
5
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