Let $A = \left[ \begin{array} { l l } e & 0 \\0 & a\end{array} \right]$

question 72

Multiple Choice

Let $A = \left[ \begin{array} { l l } e & 0 \\0 & a\end{array} \right]$ where e and a are nonzero constants. Find $\mathrm { A } ^ { - 1 }$

• A) \(\left[ \begin{array} { c } \frac { 1 } { e } {1} \\ 1 \frac { 1 } { a } \end{array} \right]\)
• B) \(\left[ \begin{array} { l l } 0 & e \\ a & 0 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l } e & 0 \\ 0 & a \end{array} \right]\)

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Definitions:

Unequally

In a manner that is not equal or uniform, often resulting in disparities or imbalances in treatment, opportunities, or conditions.

Unfairly

In a manner that is unjust or prejudiced, not giving equal treatment or opportunity.

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Payroll Taxes

are taxes imposed on employers and employees, calculated as a percentage of the salaries that employers pay their staff, used to fund social security and healthcare programs.