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Question 1
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If $f(x)=\lim _{{x}\rightarrow0}\, \frac{{6}^x-{3}^x-{2}^x+1}{\log _e9(1-\cos x)}$ is a real number then $\lim _{{x}\rightarrow0}\, f(x)$
A.
2
B.
3
C.
$$\log _e2$$
D.
$$\log _e3$$
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