Determine Whether a and B Are Inverses A) No
B) Yes

question 94

Multiple Choice

Determine whether A and B are inverses.
- $$A = \left[ \begin{array} { r r } 5 & 1 \\- 1 & 2\end{array} \right] \text { and } B = \left[ \begin{array} { c c } \frac { 2 } { 11 } & - \frac { 1 } { 11 } \\\frac { 1 } { 11 } & \frac { 5 } { 11 }\end{array} \right]$$

• A) No
• B) Yes

---

Definitions:

Reduce Pain

Strategies or treatments aimed at alleviating discomfort or pain, which may involve medication, physical therapy, or alternative therapies.

Lumbar Puncture

A medical procedure whereby a needle is inserted into the lumbar region of the spine to collect cerebrospinal fluid for testing.

TAC (Tetracaine-Adrenaline-Cocaine)

A topical solution combining tetracaine, adrenaline, and cocaine, often used in medical settings for its anesthetic and vasoconstrictive properties.

EMLA (Eutectic Mixture of Local Anesthetics)

A topical preparation used to numb the skin before procedures like needle insertion.