A) 2
B) 30
C) 60
D) 120
Correct Answer: C
Solution :
\[f'(x)=0\Rightarrow f(x)\] is constant. \[\therefore \,\left| f(1) \right|+\left| f(2) \right|+.......+\left| f(30) \right|=60\]You need to login to perform this action.
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