substitutematerials Posted October 27, 2016 Share Posted October 27, 2016 Can anybody solve this equation for x? [math]y=\frac{-ln(1-x)}{\sqrt{1-x^2}}[/math] the best I can do is to rearrange to this: [math]ln\frac{1}{1-x}-y\sqrt{2-2x-(1-x)^2}=0[/math] and then take the roots numerically using the mathway website. Any help is much appreciated! Link to comment Share on other sites More sharing options...
Country Boy Posted October 28, 2016 Share Posted October 28, 2016 Seeing that combination of logarithm, square root, and powers of x, I very much doubt that it can be solved algebraically. 1 Link to comment Share on other sites More sharing options...
substitutematerials Posted October 29, 2016 Author Share Posted October 29, 2016 Seeing that combination of logarithm, square root, and powers of x, I very much doubt that it can be solved algebraically. Thanks HallsofIvy, I'm not much of a mathematician myself, but I've put this to other maths people IRL and they've said the same thing. Link to comment Share on other sites More sharing options...
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