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KCET2019MathematicsDifferentiation

If ( [x] ) represents the greatest integer function and ( f(x)=x-[x]- x ) then ( f^ ( I 2 )= )

Options

  1. A( 11 )
  2. Bdoes not exist
  3. C( 00 )
  4. D( 2 )

Correct answer

D. ( 2 )

Step-by-step solution

(D) [ array l f(x)=x-[x]- x f^ (x)=1+ x f^ ( 2 )=1+1=2 array ]

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