AlanH
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 Mar25 comment Finding the remainder could the first method always be applied in cases of synthetic division? Mar24 revised generating functions / combinatorics added 95 characters in body Mar24 revised Finding coefficient of generating function added 88 characters in body Mar24 accepted Finding coefficient of generating function Mar24 answered Generating function with dependencies Mar24 awarded Excavator Mar24 revised Generating function with dependencies reorganized Mar24 suggested approved edit on Generating function with dependencies Mar24 answered How many solutions possible for the equation ${2x}+{3y}+{7z}={r}$ Mar24 answered finding the coefficient of $x^{14}$ in the expression: $\frac{5x^2-x^4}{(1-x)^3}$ Mar24 comment Question about generating functions WHOA! How do you do the mouse-over effect?! Mar24 answered generating functions / combinatorics Mar24 answered HW Probability Problem Mar24 comment how to prove $\sum _{|k|\lt\sqrt m}\binom{2m}{m+k}\ge2^{2m-1}$ how did you go from the second line to the third line? Mar24 answered Last combinatorics question Mar23 revised Why does Möbius transformation $f(z)$ map the unit disk $|z|<1$ to itself? formatted latex Mar23 comment Why does Möbius transformation $f(z)$ map the unit disk $|z|<1$ to itself? Please see if the edit was what you intended for. Mar23 suggested approved edit on Why does Möbius transformation $f(z)$ map the unit disk $|z|<1$ to itself? Mar23 revised I can't figure out this combinatorics problem… Or at least why my solution doesn't work. added 2 characters in body Mar23 accepted Determining Stirling number