How does gel electrophoresis work to separate dna fragments?

the first, second, and fifth options

answer: i pick a

explanation:

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.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle