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 Girls’ Angle Bulletin, Volume 9, Number 3
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 Girls’ Angle Bulletin, Volume 9, Number 2
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 Girls’ Angle Bulletin, Volume 8, Number 5
 Conceptual Solution to 2008 AIME I, Problem 14
 Girls’ Angle Bulletin, Volume 8, Number 4
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Tag Archives: linear algebra
An Amusing Determinant
A student and I were playing with determinants recently and we stumbled upon an amusing one. I have a very strong feeling that this must have been stumbled upon many times in the past so we’re making no claim to … Continue reading
Posted in math
Tagged binomial coefficients, determinants, linear algebra, matrices, Pascal's triangle
3 Comments
2012 AIME 1 Problem #12
I was checking out Mess or Math?’s cool blog and her latest post wonders whether problem 12 on the 2012 AIME 1 has a simple solution. Simple is a subjective term. The problem’s setup certainly suggests invoking things like the … Continue reading