The function f( x ) = [x] + sqrt{{ x}} ...

The function `f( x ) = [x] + sqrt{{ x}}` , where [.] denotes the greatest Integer function and {.} denotes the fractional part function respectively, is discontinuous at

A

contiunous but non-differentiable at x=1

B

differentiable at x=1

C

discontinuous at x=1

D

None of these

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The correct Answer is:

A

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