A) \[0\]
B) \[-100\]
C) \[100\]
D) \[200\]
Correct Answer: A
Solution :
[a] \[f(-x)=f(x)\] \[\Rightarrow \,\,\,\,\,f'(-x)=f'(x)\] \[f'(1)=-5\] \[\Rightarrow \,\,\,\,\,\,f'(-1)=5\] Also, \[f(2+x)=f(2-x)\] \[\Rightarrow \,\,\,\,\,\,\,\,\,f'(2+x)=-f'(2-x)\] \[\Rightarrow \,\,\,\,\,\,\,\,\,f'(3)=-f'(1)=5\]You need to login to perform this action.
You will be redirected in
3 sec