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Please help out with this answer

Please help out with this answer
asked 184k views
1 vote
Please help out with this answer

Please help out with this answer-example-1
asked
User TravisWhidden
by
8.4k points

1 Answer

3 votes

Answer:

see below

Explanation:

Hi!


(1)/(21-20) \left[\begin{array}{ccc}-3&10&\\2&-7&\end{array}\right]

(Determinant is 1 in this case)

Hence the inverse is:


\left[\begin{array}{ccc}-3&10\\2&-7&\\\end{array}\right]

answered
User Theveloper
by
8.5k points
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