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 May 12 asked How is the multiplicity of a pole defined when square roots are involved? May 12 awarded Informed May 7 awarded Caucus Apr 11 awarded Notable Question Dec 9 comment Math question please ? Complex numbers? you need a $\pm$ instead of a $+$ in your second-to-last step. I can't edit such a small typo, hence the comment. Dec 9 comment Solving a geometric algebra equation When you put it like that, it seems so simple... Thanks. Dec 9 accepted Solving a geometric algebra equation Dec 9 comment Solving a geometric algebra equation @GiuseppeNegro thanks for the additional reference. I'll be sure to check it out! Dec 8 comment Solving a geometric algebra equation a,b, and c are vectors, $\alpha$ is a scalar. Juxtaposition is geometric product, dot is inner product. Dec 8 asked Solving a geometric algebra equation Dec 3 answered Differential of square $d(w^2)$or square of differential$(dw)^2$!? Dec 3 revised Limit of this indeterminate form. nominator->numerator Dec 3 revised For $z =\frac{ xy}{x+y}$, why is $z < x$ and $z < y$ for all values of $x > 0$ and $y > 0$? nominator->numerator Dec 3 revised How to simplify $\frac{4 + 2\sqrt6}{\sqrt{5 + 2\sqrt{6}}}$? nominator->numerator Dec 3 suggested approved edit on Limit of this indeterminate form. Dec 3 suggested approved edit on For $z =\frac{ xy}{x+y}$, why is $z < x$ and $z < y$ for all values of $x > 0$ and $y > 0$? Dec 3 suggested approved edit on How to simplify $\frac{4 + 2\sqrt6}{\sqrt{5 + 2\sqrt{6}}}$? Dec 3 comment How to simplify $\frac{4 + 2\sqrt6}{\sqrt{5 + 2\sqrt{6}}}$? Isn't this how you show 5 equals 4? Aug 16 comment Is addition more fundamental than subtraction? @Lee: and a metric is positive by definition. Aug 15 awarded Popular Question