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1. $\log_{\sqrt{3}} 81 =$

Answer: Option C

Explanation:

\log_{\sqrt{3}} 81 = \log_{\sqrt{3}} {(\sqrt{3})}^{2 \times 4} = \log_{\sqrt{3}} {(\sqrt{3})}^{8} = 8 \log_{\sqrt{3}} \sqrt{3} = 8 \times 1 = 8

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