Find the Inverse of the Matrix (If It Exists) $\left[ \begin{array} { l l } 6 & - 7 \\7 & - 8\end{array} \right]$

question 215

Multiple Choice

Find the inverse of the matrix (if it exists) . $\left[ \begin{array} { l l } 6 & - 7 \\7 & - 8\end{array} \right]$

• A) \(\left[ \begin{array} { c c }
• - 8 & 7 \\
• 7 & 6
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c }
• - 8 & 7 \\
• - 7 & 6
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c }
• - 8 & - 7 \\
• - 7 & 6
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c }
• - 8 & 7 \\
• 7 & - 6
• \end{array} \right]\)
• E) \(\left[ \begin{array} { c c }
• - 8 & - 7 \\
• 7 & 6
• \end{array} \right]\)

Describe the effects of specific toxins and drugs on the nervous system.

Understand the physiological response to stress and the role of hormones.

Articulate the concepts of drug sensitization, tolerance, and routes of administration.

Differentiate between various psychoactive drugs and their effects.

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