Find AB, If Possible $A = \left[ \begin{array} { r r r } - 7 & 7 & - 5 \\ 3 & 9 & 3 \\ 8 & - 9 & 1 \end{array} \right]$

question 24

Multiple Choice

Find AB, if possible.
- $A = \left[ \begin{array} { r r r } - 7 & 7 & - 5 \\ 3 & 9 & 3 \\ 8 & - 9 & 1 \end{array} \right]$ and $B = \left[ \begin{array} { r } 5 \\ 8 \\ - 1 \end{array} \right]$

• A) \(\left[ \begin{array} { r } 7 \\ 27 \\ 12 \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l } 26 & 84 & - 33 \end{array} \right]\)
• C) Not possible
• D) \(\left[ \begin{array} { r } 26 \\ 84 \\ - 33 \end{array} \right]\)

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Definitions:

Plate Boundaries

The edges where two tectonic plates meet, characterized by seismic and volcanic activity due to plate interactions such as divergence, convergence, or transformation.

Volcano

a geological formation that occurs when magma from within the Earth's mantle or crust escapes to the surface, often resulting in eruptions.

Plate Boundaries

The edges where two tectonic plates meet, often associated with earthquakes and volcanic activity.

Volcano

A geological formation, typically a mountain, where magma (lava), volcanic ash, and gases are expelled through the earth's crust.