Which value of x makes the two matrices inverses of each other?

asked Feb 4, 2020 214k views

5 votes

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5 votes

Answer:

-2

Explanation:

Alanna answered Feb 7, 2020

7.9k points

2 votes

Answer: The answer is A. -2

Explanation:

[5 2] [1 -2]

[2 1 ] [x 5]