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**Paragraph for Question Nos. 1 to 2** Let f(x) = _ n n^2 ( ( x n ) ) and g(x) = (f(x), x ) (where denotes fractional part function) Left hand derivative of (x) = e^ 2f(x) at x = 0 is :

Options

  1. A0
  2. B1
  3. C-1
  4. DDoes not exist

Correct answer

C. -1

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