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Let f(x)=((e^(kx)-1).sinKx)/x^2 for x!=0...

Let `f(x)=((e^(kx)-1).sinKx)/x^2` for `x!=0;=4,` for `x=0` is continuous at `x=0` then `k`

A

4

B

-2

C

2

D

`pm2`

Text Solution

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The correct Answer is:
D
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