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lim(x rarr0)[(sin(sgn(x)))/(sgn(x))] whe...

`lim_(x rarr0)[(sin(sgn(x)))/(sgn(x))]` where [.] denotes the greatest integer function , is equal to

A

0

B

1

C

`-1`

D

does not exist

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The correct Answer is:
A
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