Each Matrix Is Nonsingular

question 114

Multiple Choice

Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
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Definitions:

Quadra-

A prefix meaning four or fourfold, used to describe quantities or units.

Within

Inside or not further than a certain area, time period, or range.

Endo-

A prefix meaning "inside," "within," or "internal."

-cidal

A suffix indicating a substance or agent that kills or destroys a specified type of organism, such as bactericidal, which kills bacteria.