Let f(x) be a function such that,f(0)=f′(0)=0 ,f′′(x)=sec4⁡ x+4 then the function is

# Let f(x) be a function such that,$\mathrm{f}\left(0\right)={\mathrm{f}}^{\mathrm{\prime }}\left(0\right)=0$ , then the function is

1. A

2. B

3. C

4. D

None of the above

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