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If g(x) = (x^(2)+2x+3) f(x) and f(0) = 5...

If `g(x) = (x^(2)+2x+3)` f(x) and f(0) = 5 and `lim_(x rarr 0) (f(x)-5)/(x) = 4, then `g'(0) =`

A

22

B

14

C

18

D

12

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The correct Answer is:
B
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