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Prove that ` log_(7) log_(7)sqrt(7sqrt((7sqrt7))) = 1-3 log_(7) 2`. |
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Answer» `log_(7) log_(7) sqrt(7sqrt((7sqrt7))) = log_(7) log_(7) 7^(1/2+1/4+1/8)` ` = log_(7) (1/2+1/4+1/8)` ` = log_(7) (7/8)` ` = 1- log_(7) 8` ` = 1-3 log_(7) 2` |
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