Can I have help
With this

c i did the test good luck

Explanation:

so yep

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.

false.

explanation:

this statement is false. after falling for 5 seconds, its speed will not be 100 m/s.