COMEDK Exam 2020 Solved Paper

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Question : 163 of 180

Marks: +1, -0

If the function f(x)={

‌

1−cos‌x

x2

‌

‌ for ‌x≠0

k

‌

‌ for ‌x=0

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

0
1
-1
1∕2

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