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Problem
Problem
The value of
lim
x
→
1
(
tan
(
π
4
+
log
x
)
log
x
)
1
/
log
x
\lim_{x \to 1} \left( \frac{\tan \left( \frac{\pi}{4} + \log x \right)}{\log x} \right)^{1/\log x}
lim
x
→
1
(
l
o
g
x
t
a
n
(
4
π
+
l
o
g
x
)
)
1/
l
o
g
x
is equal to a.
e
e
e
b.
e
−
1
e^{-1}
e
−
1
c.
e
2
e^2
e
2
d.
e
−
2
e^{-2}
e
−
2
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