Given $A = \left[ \begin{array} { c c } 1 & 5 \\- 2 & 3\end{array} \right]$

question 81

Essay

Given $A = \left[ \begin{array} { c c } 1 & 5 \\- 2 & 3\end{array} \right]$ and $B = \left[ \begin{array} { c c c } 4 & 1 & - 1 \\3 & - 5 & 2\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

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Definitions:

Paper Currency

Money in the form of banknotes, issued by the government or central bank as legal tender.

Unlimited

Having no restrictions or boundaries in quantity or scope.

Fiat Money

Currency that a government has declared to be legal tender, but it is not backed by a physical commodity and derives its value solely from the trust that the currency will be accepted as a form of payment.

Store of Value

An asset, commodity, or currency that retains its value over time, allowing it to be saved, retrieved, and exchanged at a later time.