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WBJEE 2022 Math Solved Paper
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© examsnet.com
Question : 15
Total: 75
lim
x
→
0
(
1
x
ln
√
1
+
x
1
−
x
)
is
1
2
0
1
does not exist
Validate
Solution:
Hint :
lim
x
→
0
1
∕
2
(
ln
(
1
+
x
)
−
ln
(
1
−
x
)
)
x
=
1
2
lim
x
→
0
(
1
1
+
x
+
1
1
−
x
)
=
1
© examsnet.com
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