Re: Help with equation
- From: "concrete_jungle" <transdeco@xxxxxxxxxxxx>
- Date: 9 Oct 2005 20:56:47 -0700
That sound like a close solution but the unknow variable is I in
the given equation. yes I have left side is equal to the right side.
The missing () was na error on my part Typo give it a try if you
can let me know
crawland1000@xxxxxxxxx wrote:
> Uh, how do you simplify that by taking the log of both sides? It looks
> to me like you have a sum there on the right side, and logs can't
> simplify sums.
>
> It also looks like you're missing a closing parenthesis at the end,
> after the "n".
>
> Assuming that's where it's missing, I fed the equation (except putting
> it all on one side) into my 49G+'s grapher, and selected "fcn" then
> "root". It found
>
> 2.06015800521
>
> As the solution.
>
> Actually, the simplification you could make it to just drop the second
> term on the right side. You're raising a number >1 to the negative
> 30th power, making it very small.
>
> Then you'd get
>
> 1 minus 30th root of (75/13)
>
> since the 30th root is even, it gives both positive and negatives, so
> you take the negative root to give the answer the 49G+ gave. You can't
> take the positive root, because then you get a number that makes the
> second term unignorable.
.
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