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I don't understand this at all...please help

I don't understand this at all...please help
44.7k views
1 vote
I don't understand this at all...please help

I don't understand this at all...please help-example-1
User Vytautas Pranskunas
by
8.2k points

2 Answers

1 vote

Answer:

Explanation:

A

User Peter PitLock
by
7.9k points
7 votes

Answer:

A

Explanation:

This is from the definition of an inverse matrix. Always will be 1 when multiplied.

User Journey
by
7.6k points
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