KCET2008MathematicsApplication of Derivatives
If f(x) is an even function and f^ (x) exists, then f ^ ( e )+ f ^ (- e ) is
Options
- A>0
- B0
- C0
- D< 0
Correct answer
B. 0
Step-by-step solution
Since, f(x) is an even function, therefore f^ (x) is an odd function. f^ (-e)=-f^ (e) f ^ ( e )+ f ^ (- e )=0