0 votes 0 votes A real $(4 \times 4)$ matrix $A$ satisfies the equation $A^{2} = I$, where $I$ is the $(4 \times 4)$ identity matrix. The positive eigen value of $A$ is ______. Linear Algebra gate2014-ec-1 linear-algebra matrices eigen-values numerical-answers + – Milicevic3306 asked Mar 25, 2018 • retagged Feb 26, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 159 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.