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WBJEE 2016 Math Solved Paper
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© examsnet.com
Question : 19
Total: 75
l
i
m
x
→
1
(
1
+
x
2
+
x
)
(
1
−
√
x
)
(
1
−
x
)
is 1
does not exist
is
√
2
3
is ln 2
Validate
Solution:
l
i
m
x
→
1
(
1
+
x
2
+
x
)
(
1
−
√
x
)
(
1
−
x
)
=
l
i
m
x
→
1
(
1
+
x
2
+
x
)
1
(
1
−
√
x
)
=
(
1
+
x
2
+
x
)
1
1
+
1
=
(
2
3
)
1
2
© examsnet.com
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