0 9t [37] (a) Solve y" (t)+9y(t) = f(t), y(0) = 0, y'(0) = -1, where f(t) = { 0 27. 0 Express the a
Posted: Tue May 10, 2022 7:50 pm
0 9t [37] (a) Solve y" (t)+9y(t) = f(t), y(0) = 0, y'(0) = -1, where f(t) = { 0 <t< TT, a <t< 27, t> 27. 0 Express the answer using the symbols of unit step functions. (b) Express the answer obtained in (a) piecewisely.