I solved a homogenous (linear) system of differential equations from the textbook, "Elementary Differential Equations with Boundary Value Problems," by William F. Trench, and Andrew G. Cowles, distinguished Associate Professor Emeritus, Mathematics Department, Trinity University, San Antonio, Texas, wtrench@trinity.edu . You can get this textbook for free: https://lnkd.in/gnypJkhw (See step-by-step, hand-written solution in the photos featured below: