<PRE><B>Question 268643</B>
If logb2 = a and logb3 = c 
I need to find the properties of logarithms to find the following
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logb(72b) = log(8*9*b)
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log8 + log9 + logb
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= 3log(2) + 2log(3) + 1
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= 3*a + 2*c + 1
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= 3a + 2c + 1
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Cheers,
Stan H.
</PRE>