COMEDK Exam 2013 Solved Paper

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Question : 152 of 180

Marks: +1, -0

If f(x)={

‌

1−cos‌x

x

x≠0

k

x=0

. is continuous at x=0, then the value of k is

0
‌
1
2
‌
1
4
−‌
1
2

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