I need to solve for k. Is this the correct steps? But I get stuck here. How would I isolate for k?
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Originally Posted by centenial I need to solve for k. Is this the correct steps? But I get stuck here. How would I isolate for k? i hope the ans below can help u
Originally Posted by nikk i hope the ans below can help u Thank you for your quick and helpful reply. The one step I don't understand is how you get from to I understand that this must be done by the sqrt/power cancelling. But don't i need to add a +- in such a case? Thanks for your explanation!
Originally Posted by centenial Thank you for your quick and helpful reply. The one step I don't understand is how you get from to I understand that this must be done by the sqrt/power cancelling. But don't i need to add a +- in such a case? Thanks for your explanation! You don't need a plus/minus sign because any real number squared is positive (or 0). If you were to find m in terms of k you'd need it
Originally Posted by centenial Thank you for your quick and helpful reply. The one step I don't understand is how you get from to I understand that this must be done by the sqrt/power cancelling. But don't i need to add a +- in such a case? Thanks for your explanation! + or - normally the case as below and not for sorry if my explanation,english and latex comman is bad
Last edited by nikk; Mar 26th 2010 at 12:54 PM. Reason: spelling
Okay, that makes sense. Thanks so much for your help!
Originally Posted by centenial Okay, that makes sense. Thanks so much for your help! no problem
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