Jorge Olivares, Carlos Portillo, Byron Droguett and Pablo Martin. Understanding Special Cases in the Method of Undetermined Coefficients with GeoGebra and DeepSeek in Non-Homogeneous Linear Differential Equations of Third Order. MCSRU-V4 [Internet]. 2025 Mar. 25 [cited 2026 Jun. 12];:31-7. Available from: https://stm.bookpi.org/MCSRU-V4/article/view/17686