Limits, Continuity and Differentiability Part 1

Section: Mathematics
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Question : 11 of 100
 
Marks: +1, -0
If
lim
x→0
{
1
x8
(1−cos‌
x2
2
−cos‌
x2
4
+cos‌
x2
2
‌cos
‌
x2
4
)
}
=2−k
,
then the value of k is ________.
[3 Sep 2020 Shift 1]
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