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The value of k (k lt 0) for which the fu...

The value of `k (k lt 0)` for which the function is continuous at `x = 0`
`f(x) ={((1-cos kx)/(x sin x),","x ne 0),((1)/(2),","x=0):}`

A

`+-1`

B

`-1`

C

`+-1/2`

D

`1/2`

Text Solution

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The correct Answer is:
A
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