📘 linear algebra and trigonometry
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.
Matrix Eigenvalues Trig
1. **Problem:** Given matrix \( \Lambda = \begin{bmatrix} 1 & 3 \\ 2 & 2 \end{bmatrix} \), find the characteristic equation if \( \Lambda - 2I \) is singular.
2. Since \(I = \begin