solve:

i went this far:

how would you finish it?

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- Dec 16th 2007, 06:34 PMincyt3ssolving exponents with logs
solve:

i went this far:

how would you finish it? - Dec 16th 2007, 07:12 PMKrizalid
You don't even need logs, just note that

Now, what's the next step? - Dec 16th 2007, 10:48 PMincyt3s

but wouldnt you get a different answer with logs? - Dec 16th 2007, 11:02 PMincyt3s
- Dec 16th 2007, 11:03 PMJhevon
- Dec 16th 2007, 11:05 PMJhevon
- Dec 17th 2007, 10:48 PMIsomorphism
Another way to see it is that a power of 2 can never have a factor of 5 or the other way.

Thus technically x=0 is the only solution.

But with , we can see we cant use the above idea.