Exercise 2.4.4

Answers

$A (BC) = (AB) C$ by the associative law. In this example both answers are

[\begin{matrix} 0 & 0 \\ 0 & 0 \end{matrix}] .

Column 1 of $AB$ and row 2 of $C$ are zero (then multiply columns times rows).

mathchakra

2021-12-06 17:24