Does the Matrix a - B Have an Inverse?
A)

question 261

Multiple Choice

$$\text { Let } A = \left[ \begin{array} { r r } 1 & - 4 \\4 & 6\end{array} \right] \text { and } B = \left[ \begin{array} { r r } 1 & - 4 \\4 & 6\end{array} \right]$$ Does the matrix A - B have an inverse?

• A) Yes
• B) No

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