InterviewSolution
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InterviewSolution
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Find the derivative from the left and from the right at x=1 (if they exist) of the following functions. Are the functions differentiable at x=1? (i) f(x) = |x-1| (ii) f(x) = sqrt(1-x^2) (iii) f(x) = {{:(x, x le 1),(x^2, x gt 1):} |
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Answer» (II) `therefore f` is not differentiable at `x=1`. (iii)`therefore f` is not differentiable at `x=1`. |
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