Find Inverse of the Matrix $$\left[ \begin{array} { l l l } 2 & 2 & 0 \\0 & 2 & 0 \\1 & 0 & 1\end{array} \right]$$

question 56

Multiple Choice

Find inverse of the matrix. $$\left[ \begin{array} { l l l } 2 & 2 & 0 \\0 & 2 & 0 \\1 & 0 & 1\end{array} \right]$$

• A) \(\left[ \begin{array} { c c c }
• 2 & - 2 & 0 \\
• 0 & 2 & 0 \\
• - 2 & 1 / 2 & 1
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c c }
• 2 & - 1 / 2 & 0 \\
• 1 & 2 & 0 \\
• - 2 & 1 / 2 & 1
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c }
• 1 & - 1 & 1 \\
• 0 & 1 / 2 & 0 \\
• - 1 & 1 / 2 & 1
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c }
• 1 / 2 & - 1 / 2 & 0 \\
• 0 & 1 / 2 & 0 \\
• - 1 / 2 & 1 / 2 & 1
• \end{array} \right]\)
• E) none

---

Definitions:

Auxiliary Petty Cash Record

A detailed log used to track the small transactions handled through a petty cash fund, aiding in the reconciliation and management of petty cash.

Petty Cash Voucher

A document used to record small cash payments, detailing the purpose of the payment, the amount, and the person who received the funds.

Dehydration

A condition resulting from excessive loss of body water, impairing normal bodily functions.

Diarrhea

A condition characterized by the frequent passage of loose or watery stools.