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This is very interesting because your first equation with the "1 +" gives me an incorrect value, but your second equation with the "1 -" gives me the correct value!!! So I'm surmising that the 2nd equation is the correct one that will always work??? And, could you please direct me to the type of math you used to obtain your results? Is this algebra, calculus or what???

And thank you very much for your help!!

**rvdude**- Replies: 6

I'm new to this group and hope that my account won't be deleted (twice), at least not without some explanation. With that said, I'm sure there are allot of good people here with an extensive background in mathematics. Someone that perhaps can assist me in solving a problem I may encounter from time to time. I'm currently retired and in R&D on a special project that's been going on for some time now. My math skills were very good once but as time goes by, one may tend to forget those talents one had long ago.

It's nice to be here (I think) and a good hearty hello to all.

**rvdude**- Replies: 4

Here is my problem:

w squared = (1/LC) - (R squared / L squared)

I need to solve for the variable L.

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