Thread: differential equations

Use Laplace Transforms

Y”(t) + 4y(t) = f(t) with y(0) = 1, y’(0) = 1, where
f(t) = { 4t, 0 < t < 1
{ 4, t > 1

can you explain what you've tried so far please,

anyway here's the first thing you can do,

write f(t) as a function of unit step