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

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

User Pshirishreddy
by
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2 Answers

5 votes

Answer:

-2

Explanation:

User Alanna
by
7.7k points
2 votes

Answer: The answer is A. -2

Explanation:

[5 2] [1 -2]

[2 1 ] [x 5]

User Jeremy Lakeman
by
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