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Question
Mathematics
The value of displaystyle lim x arrow 0((x/√[8]1- sin x-√[8]1+ sin x)) is equal to:
Q. The value of
x
→
0
lim
(
8
1
−
sin
x
−
8
1
+
sin
x
x
)
is equal to:
505
174
JEE Main
JEE Main 2021
Limits and Derivatives
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A
0
25%
B
4
35%
C
-4
25%
D
-1
14%
Solution:
x
→
0
lim
(
8
1
−
sin
x
−
8
1
+
sin
x
x
)
=
x
→
0
lim
(
8
1
−
sin
x
−
8
1
+
sin
x
x
)
=
x
→
0
lim
(
8
1
−
sin
x
−
8
1
+
sin
x
x
)
(
8
1
−
s
i
n
x
+
8
1
+
s
i
n
x
(
8
1
−
s
i
n
x
+
8
1
+
s
i
n
x
)
)
(
4
1
−
s
i
n
x
+
4
1
+
s
i
n
x
(
4
1
−
s
i
n
x
+
4
1
+
s
i
n
x
)
)
(
2
1
−
s
i
n
x
+
2
1
+
s
i
n
x
(
2
1
−
s
i
n
x
+
2
1
+
s
i
n
x
)
)
=
x
→
0
lim
(
1
−
sin
x
−
(
1
+
sin
x
)
x
)
(
8
1
−
sin
x
+
8
1
+
sin
x
)
(
4
1
−
sin
x
+
4
1
+
sin
x
)
(
2
1
−
sin
x
+
2
1
+
sin
x
)
=
x
→
0
lim
(
8
1
−
sin
x
+
8
1
+
sin
x
)
(
4
1
−
sin
x
+
4
1
+
sin
x
)
(
2
1
−
sin
x
+
2
1
+
sin
x
)
=
x
→
0
lim
(
−
2
1
)
(
2
)
(
2
)
(
2
)
{
∵
x
→
0
lim
x
sin
x
=
1
}
=
−
4