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f(x) = (|x-a|)/(x-a), when x ne a, = 1, ...

`f(x) = (|x-a|)/(x-a)`, when `x ne a, = 1`, when x = a, then :

A

f has a limit 1 at x = a

B

f is continuous everywhere

C

f is continuous at x = a

D

limit of f does not exist at x = a

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The correct Answer is:
D
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