Question 45

Let $$f : R \rightarrow (0, \infty)$$ and $$g : R \rightarrow R$$ be be twice differentiable functions such that $$f''$$ and $$g''$$ are continuous functions on R. Suppose $$f'(2) = g(2) = 0, f''(2) \neq 0$$ and $$g'(2) \neq 0$$. If $$\lim_{x \rightarrow 2}\frac{f(x)g(x)}{f'(x)g'(x)} = 1$$, then


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