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visits member for 2 years
seen Mar 24 at 20:53

Devilish good looks, but a Hell of a temper...

Went to school with user #199245


Mar
18
comment Why are the differences between consecutive squares equal to the sequence of odd numbers?
Maybe it should be published in a social media journal, instead! ;þ
Apr
26
awarded  Supporter
Apr
16
answered Proving $k \binom{n}{k} = n \binom{n-1}{k-1}$