At how many points in the interval \( (0,2): f(x)=x^{2}[2 x]-x\left[x^{2}\right] \) is discontin...
At how many points in the interval \( (0,2): f(x)=x^{2}[2 x]-x\left[x^{2}\right] \) is discontinuous (where \( [x] \) represents greatest integer \( \leq x \) )
(a) 5
(b) 4
(c) 3
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