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Let z=[y] and y=[x]-x , where [.] is the greatest integer function. If x is not an integer but positive, then what is the value of z ?

Options

  1. A-1
  2. B0
  3. C1
  4. D2

Correct answer

A. -1

Step-by-step solution

We have x=[x]+ x y=[x]-x=- x Now, z=[y]=[- x ][ 0 x 1]=-1

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