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f (x) = (| x|)/( x) , x ne 0 then the v...

`f (x) = (| x|)/( x) , x ne 0` then the value of function

A

1

B

0

C

`-1`

D

`f (x) = {{:(1"," ,x gt 0 ),(-1",",x lt 0 ):}`

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The correct Answer is:
D
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