0 votes 0 votes True/False Question : Let $A$ be a $3 \times 3$ real symmetric matrix such that $A^{6}=I$. Then, $A^{2}=I$. TIFR tifrmaths2018 true-false + – soujanyareddy13 asked Aug 29, 2020 • edited Oct 17, 2020 by soujanyareddy13 soujanyareddy13 129 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.