Millymolly3726 Millymolly3726 28-09-2017 Mathematics contestada Matrix l is a 1 ⨯ 5 matrix, matrix m is a 5 ⨯ 5 matrix, matrix n is a 1 ⨯ 1 matrix, and matrix p is a 5 ⨯ 1 matrix. find the dimensions of the sums below, if they exist. (if an answer does not exist, enter dne.)
