3. Let M be a \( 2 \times 2 \) matrix with \( \text{tr}(M)=\sqrt{3} \) and \( \text{det}(M)=-2 \). Let \( \alpha_1 \) and \( \alpha_2 \) be eigenvalues of M. What is \( |\alpha_1-\alpha_2| \) ? (12%)
3. Let M be a \( 2 \times 2 \) matrix with \( \text{tr}(M)=\sqrt{3} \) and \( \text{det}(M)=-2 \). Let \( \alpha_1 \) and \( \alpha_2 \) be eigenvalues of M. What is \( |\alpha_1-\alpha_2| \) ? (12%)