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visits member for 2 years, 11 months
seen Sep 21 '11 at 22:23

Sep
17
answered Differentiating square root fractions
Sep
17
answered How to prove $\log n < n$?
Sep
16
awarded  Teacher
Sep
16
answered Union, intersection and difference of sets with excluded borns
Sep
16
answered Velocity at which the second locomotive will catch the first without passing it?
Sep
16
comment Formally verifying that $n \log n = o(n^2)$
Do you know about Hopital's rule?