Let A=\begin{bmatrix}4 & 0 &5 \\-1 & 3 & 2

CMIIh

CMIIh

Answered question

2021-09-15

Let A=[405132],
B=[111357],
C=[2301]
Find: 3AB, and C×B+A

Answer & Explanation

Sadie Eaton

Sadie Eaton

Skilled2021-09-16Added 104 answers

A=[405132]
B=[111357]
C=[2301]
(3AB)=[405132][111357]
B=[12015396][111357]
(3AB)=[11114641]
C×=[2301]t=[2031]
C×B=[2031][111357]
=[222024]
C×B+A=[222024]+[405132]
=[627156]

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