12th Class Mathematics Continuity and Differentiability

  • question_answer 44) Prove that f(x) = |x ? 1|,       Is not differentiable at x = 1*  

    Answer:

    L.H.D.                      R.H.D.             Since L.H.D.  R.H.D.       Therefore f is not derivable at x =1.  


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