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Byju's Answer
Standard XI
Mathematics
Graphical Interpretation of Continuity
The domain of...
Question
The domain of definition of the function f(x) = log |x| is
(a) R
(b) (−∞, 0)
(c) (0, ∞)
(d) R − {0}
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Solution
(d) R − {0}
f(x) = log |x|
For
f
(
x
)
to
be
defined
,
x
>
0
,
which
is
always
true
.
But
x
≠
0
⇒
x
≠
0
Thus
,
dom
(
f
)
=
R
-
{
0
}
.
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