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Consider the function f(x)=|cosx|+|cos2x| defined on (0,Π).then the no of points in (0,Π) where f is not differentiable is

Consider the function f(x)=|cosx|+|cos2x| defined on (0,Π).then the no of points in (0,Π) where f is not differentiable is

Grade:12th pass

1 Answers

Nandana
110 Points
4 years ago
hi ,
  only one point , where f(x) is not differentiable . That is at x= π/2
             at this point f(x) = 1
         
 see the graph above , same thing will come by shifting up 1 unit for f(x) , so here x (0,  π) 

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