0 votes 0 votes If $\text{A}$ is a square matrix then orthogonality property mandates $AA^{T}=I$ $AA^{T}=0$ $AA^{T}=A^{-1}$ $AA^{T}=A^{2}$ Linear Algebra gatecivil-2021-set2 linear-algebra matrices matrix-algebra + – go_editor asked Mar 1, 2021 • recategorized Apr 11, 2021 by Lakshman Bhaiya go_editor 5.3k points answer See all 0 reply