Recent content by ryebread

i have no idea. I finally managed to solve it with algebraic and geometric multiplicities, but i just don't get nullity.

Homework Statement A is a given 3x3 matrix A= \begin{pmatrix} a & 0 & 1 \\ 0 & a & b \\ 0 & 0 & c \end{pmatrix} a,b,c are real numbers 1) determine for what values of a,b,c the matrix A is diagnoizable. (advice: distinguish between the cases a=c and a≠c) Homework Equations...