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Question

Range of f(x)=tan(π[x2x])1+sin(cos x) is (where [x] denotes the greatest integer function)


 
  1. (,)[0,tan 1]
     
  2. {0}
  3. (,)[tan 2,0]
     
  4. [tan 2,tan 1]
     


Solution

The correct option is B {0}
f(x)=tan(π[x2x])1+sin(cos x)={0} because of [x2x] is integer
 

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