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JEE Main 2013 Question Paper
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© examsnet.com
Question : 46
Total: 90
lim
x
→
0
(
1
−
c
o
s
2
x
)
(
3
+
c
o
s
x
)
x
t
a
n
4
x
1
2
1
2
−
1
4
Validate
Solution:
lim
x
→
0
(
1
−
c
o
s
2
x
)
x
(
t
a
n
4
x
)
(
3
+
c
o
s
x
)
lim
x
→
0
2
(
s
i
n
x
x
)
2
•
1
4
(
4
x
t
a
n
4
x
)
(
3
+
c
o
s
x
)
=
2
×
1
×
1
4
×
1
×
(
3
+
1
)
=
2
© examsnet.com
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