I have a log/exponential problem I need help with: So far the only thing i've thought of is to change 6 and 5 into a base of 4. If u can help, thanks!
Last edited by Uncle6; Oct 31st 2008 at 04:29 PM.
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Originally Posted by Uncle6 I have a log/exponential problem I need help with: So far the only thing i've thought of is to change 6 and 5 into a base of 4. If u can help, thanks! why would you do that? can you finish?
Originally Posted by Uncle6 I have a log/exponential problem I need help with: So far the only thing i've thought of is to change 6 and 5 into a base of 4. If u can help, thanks! take common, Now, take natural log on both sides, now simplify further.
Whoops, my bad, the question is actually has a . Which is why I found this question to be so hard =S
Originally Posted by Uncle6 Whoops, my bad, the question is actually has a . Which is why I found this question to be so hard =S which of the 's should be ??
uhh, I fixed it up there.
Originally Posted by Uncle6 uhh, I fixed it up there. ok, here's the trick multiply through by , we get: or in other words, now do you see what to do? to make it a bit clearer, what if we made , then we have now continue
WOW! that realy helps, thanks! I swear, I'd never see that trick..
Originally Posted by Uncle6 WOW! that realy helps, thanks! I swear, I'd never see that trick.. tell us your solution when finished
x= 1/2 or around 0.792
Originally Posted by Uncle6 x= 1/2 or around 0.792 2x=1 x=1/2 Also, x = 1/2, 0.792 your answers are right
Last edited by Shyam; Nov 1st 2008 at 04:50 PM.
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