I would try to write both logarithms using the same base. It's very awkward using different bases. How could you do that?

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- Nov 6th 2010, 01:34 AM #1

- Nov 6th 2010, 01:41 AM #2

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- Nov 6th 2010, 02:23 AM #5

- Nov 6th 2010, 02:27 AM #6
You can do that, but I'm not sure I'd recommend it. The reason is that if you leave it at then it's easier to get a common denominator on the LHS of the original expression.

So, take a look at the original expression, and substitute in this What do you get?

- Nov 6th 2010, 02:34 AM #7

- Nov 6th 2010, 02:41 AM #8

- Nov 6th 2010, 03:50 AM #9

- Nov 6th 2010, 03:54 AM #10