A) 1
B) 3
C) 2
D) 0
Correct Answer: B
Solution :
\[f(x)={{e}^{x}}g(x)\Rightarrow f'(x)={{e}^{x}}g(x)+{{e}^{x}}g'(x)\] \[\Rightarrow f'(0)=g(0)+g'(0)=2+1=3\].
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