aansi wants energy on a sound wave to be carried more quickly through a metal medium. which could she do?

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

lol

explanation:

i think the answer is a, hope this : )