Question

Show that i) |AB|=|A| |B| ii) (AB)'=B' A'​

Answer 1

Step-by-step explanation:

Aloha!

Given,

A=[ 2. -1]. B=[3. 1]

[ 2. 4]. [-1. 5]

=>> |AB|=|A| |B|

| 6. . -1. | = |2 -1 | |3 2|

| -2 20 |. | 2. 4| |-1. 5|

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@ Twilight Astro

Answer 2

Step-by-step explanation:

hey dear...plzz refer to the attached file...

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