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Byju's Answer
Standard XII
Mathematics
Theorems for Continuity
If the functi...
Question
If the function
f
(
x
)
=
log
x
−
1
x
−
e
, for
x
≠
e
is continuous at
x
=
e
, then find
f
(
e
)
.
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Solution
As f is continuous,
lim
x
→
e
f
(
x
)
=
f
(
e
)
lim
x
→
e
f
(
x
)
=
lim
x
→
e
l
o
g
x
−
1
x
−
e
is
0
0
form, applying l' opital
lim
x
→
e
1
x
−
0
1
−
e
=
1
e
=
f
(
e
)
.
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Q.
If
f
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x
)
=
log
x
(
log
x
)
, then
f
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Q.
f
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Q.
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x
)
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g
′
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/
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−
e
−
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