In this lesson, we will learn how to identify the conditions for matrix multiplication and evaluate the product of two matrices if possible.
Students will be able to
Q1:
Fill in the blank: If matrix 𝐴 is of order 2×3 and matrix 𝐴𝐵 is of order 2×1, then matrix 𝐵 is of order .
Q2:
Given that 𝐴 is a matrix of order 𝑚×𝑛, and 𝐵 is a matrix of order 𝑟×𝑙, determine the condition under which 𝐴𝐵 is defined.
Q3:
Consider the matrices 𝐴=11−2−4477,𝐵=−8−96−489. Find 𝐴𝐵, if possible.
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