Maths-
General
Easy

Question

The period of the function f left parenthesis x right parenthesis equals left square bracket 6 x plus 7 right square bracket plus cos space pi x minus 6 x where [.] de-notes the greatest integer function, is

  1. 3
  2. 2 pi
  3. 2
  4. pi

The correct answer is: 2

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