Find the pseudoinverse of \( \left[\begin{array}{ll}3 & 1 \\ 2 & 1\end{array}\right] \)

1. Two of the Eigen values of the matrix \( A=\left[\begin{array}{lll}2 & 2 & 1 \\ 1 & 3 & 1 \\ 1 & 2 & 2\end{array}\right] \) are equal to 1 each. Then solve the Eigen values of \( A^{-1} \).

Нзобразить корни 2 степени из \( \frac{1}{2}+i \cdot \frac{\sqrt{3}}{2} \) на комплексной плоскости.

Explain the difference between exponential growth and exponential decay.

1. Find the Eigen values of the matrix \( A=\left[\begin{array}{lll}2 & 1 & 0 \\ 0 & 2 & 1 \\ 0 & 0 & 2\end{array}\right] \)

14. Which of the following statement is false? A. \( \{\emptyset\} \in\{0,\{\varnothing\}\} \) B. \( \emptyset \subseteq\} \) C. \( \{\emptyset\}=\{ \} \) D. \( \emptyset \subseteq\{0,\{\varnothing\}\} \)