In my final year studying Mathematics at a London university.
4 Let $V$ be a $k$-vector space of dimension $n$ and $T: V \to V$ a linear map of rank 1. Show that either $T^2 = 0$ or that $T$ is diagonalisable? Nov 12 '10
3 Show that a number is not prime? Oct 13 '10
1 Find all the values: a+b=c+d=ab-cd=4n for n>1 Dec 2 '15