Please help out with this answer

asked Mar 5, 2022 184k views

1 vote

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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:

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

Theveloper answered Mar 10, 2022

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