LimitsHard

Question

Let f(x) = . Then f(x) equals (where [.] represents greatest integer function)

Options

A.-1
B.1
C.0
D.does not exist

Solution

LHL =f(0 - h) =f(- h) =(-1)[h2] = 1
RHL = f(0 + h) =f(h) =

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