0 votes 0 votes True/False Question : If $A$ is a complex $n\times n$ matrix with $A^{2}=A$, then rank $A$ = trace $A$. TIFR tifrmaths2013 true-false + – soujanyareddy13 asked Aug 30, 2020 • edited Oct 1, 2020 by soujanyareddy13 soujanyareddy13 155 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.