Mathematics, 30.01.2020 04:43 sonaihriley
If matrix a has dimensions m x n and matrix b has dimensions n x p where m, n, and p are distinct positive integers, which of the following is true?
i. the product of ba doesn't exist
ii. the product of ab exists and has dimensions m x p
iii. the product of ab exists and has dimensions n x n
a) i only
b) ii only
c) iii only
d) i and ii only
e) i and iii
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