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Black Book Advanced Problems in MathematicsMathematicsLimits

Let f: R [-1, 1] be defined as f(x) = ( x) , then which of the following is(are) correct ?

Options

  1. Af is periodic with fundamental period 2
  2. BRange of f = [ 1, 1]
  3. C_ x 2 (f ( 2 - x ) + f ( 2 + x ) ) = 2
  4. Df is neither even nor odd function

Correct answer

B. Range of f = [ 1, 1]

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