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What is the product of the second row first column?

What is the product of the second row first column?
asked 77.1k views
1 vote
What is the product of the second row first column?

What is the product of the second row first column?-example-1
asked
User Bondan Sebastian
by
7.9k points

1 Answer

4 votes

Explanation:

second row × first column =

-2×1 + 1×2 + 2×-1 = -2 + 2 + -2 = -2

answered
User Julien Pellet
by
8.0k points
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