1. The problem statement, all variables and given/known data Hi everyone. I am trying to prove the superposition principle for linear homogeneous equations, which states that if u(t) and w(t) are solutions to y' + p(t)y = 0, then u(t) + w(t) and k(u(t)) are also solutions for any constant k. 3. The attempt at a solution I substituted (u + w) in for y, but how does that help me? Thanks in advance for the help!