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COMEDK2019MathematicsFunctions

If f(x) is an even function and f^ (x) exists, then f^ (e)+f^ (-e) is

Options

  1. A>0
  2. B0
  3. C0
  4. D< 0

Correct answer

B. 0

Step-by-step solution

We have, f(x) is an even function. array ll & f(-x)=f(x) & f^ (-x)(-1)=f^ (x) & f^ (x)+f^ (-x)=0 & f^ (e)+f^ (-e)=0 array

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