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location Vietnam
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visits member for 2 years, 8 months
seen Jul 7 at 0:19

Jun
14
revised $s(x)$ is a arc length function, find $s'(x)$
added 4 characters in body
May
20
revised Min/Max of $f(x,y) = e^{xy}$ where $x^3+y^3=16$
added 25 characters in body