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Find the Inverse of a If It Has One, or State

Question 215

Multiple Choice

Find the inverse of A if it has one, or state that the inverse does not exist.
- A=[108123253]A = \left[ \begin{array} { l l l } 1 & 0 & 8 \\1 & 2 & 3 \\2 & 5 & 3\end{array} \right]


A) Inverse does not exist
B)
[112025833]\left[ \begin{array} { l l l } 1 & 1 & 2 \\0 & 2 & 5 \\8 & 3 & 3\end{array} \right]
C)
[108123253]\left[ \begin{array} { r r r } - 1 & 0 & - 8 \\- 1 & - 2 & - 3 \\- 2 & - 5 & - 3\end{array} \right]
D)
[940163135152]\left[ \begin{array} { r r r } 9 & - 40 & 16 \\- 3 & 13 & - 5 \\- 1 & 5 & - 2\end{array} \right]

Correct Answer:

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