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Feb
21
revised $\epsilon$-$\delta$ proof that $f(x) = x^3 /(x^2+y^2)$, $(x,y) \ne (0,0)$, is continuous at $(0,0)$
is also a function of y
Oct
23
revised The role of dual space of a normed space in functional analysis
spelling, and some slight rewording.
Sep
16
revised Proving the trigonometric identity
used align formatting
Mar
6
revised Find the value of equation?
corrected repeated b/c term