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\logn;[3;81]

Please help solve

 Aug 27, 2015

Best Answer 

 #2
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$$log_3\ 81\ =\ log_3\ (3^4)\ =\ 4$$

.
 Aug 28, 2015
 #1
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logn;[3;81]

YOUR QUESTION IS NOT CLEAR. WRITE IT VERY CLEARLY.

 Aug 28, 2015
 #2
avatar+529 
+5
Best Answer

$$log_3\ 81\ =\ log_3\ (3^4)\ =\ 4$$

Badinage Aug 28, 2015

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