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What is the value of `log_(2)(log_(3)81)`?A. 2B. 3C. 4D. 9 |
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Answer» Correct Answer - A Let `log_(2)(log_(3)81)=x` `implieslog_(2)(log_(3)3^(4))=x` `implies log_(2)(4log_(3)3)=x` `implieslog_(2)(4)=x" "(becauselog_(a)a=1)` `implies 4=2^(x)` `implies2^(2)=2^(x)impliesx=2` |
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