Perform the Indicated Operations $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]$

question 80

Multiple Choice

Perform the indicated operations.
-Find 2A $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\ - 1 & \sqrt { 3 } & \frac { 3 } { 2 } \end{array} \right]$

• A) \(\left[ \begin{array} { r r r } - 4 & 0 & 6 \\ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]\)
• B) \(\left[ - \frac { 1 } { 2 } \quad \frac { \sqrt { 3 } } { 2 } \quad \frac { 3 } { 4 } \right]\)
• C) \(\left[ \begin{array} { r r r } 0 & 2 & 5 \\ 1 & 2 + \sqrt { 3 } & \frac { 7 } { 2 } \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r } - 4 & 2 & 6 \\ - 2 & 2 \sqrt { 3 } & 3 \end{array} \right]\)

---

Definitions:

Theta Waves

Brainwave patterns associated with deep relaxation, meditation, and the early stages of sleep, typically in the frequency range of 4–7 Hz.

EEGs

A test that detects electrical activity in the brain using small, metal discs attached to the scalp.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, a phase of sleep characterized by rapid eye movements, more dreaming, and bodily movement.

REM Sleep

A unique phase of sleep characterized by rapid eye movements, dreaming, and near-paralysis of the body, indicative of very deep sleep.