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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f(x) = _ n _e (2+x) - x^ 2n x 1 + x^ 2n then :

Options

  1. Af(x) is continuous at x = 1
  2. B_ x 1^- f(x) = _e 3
  3. C_ x 1^+ f(x) = - 1
  4. D_ x 1^+ f(x) does not exist

Correct answer

C. _ x 1^+ f(x) = - 1

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