can you help me with this question? thanks

1. Use the method of undetermined coefficients to find the solution for each IVP /DE. (a) dy + 2(y - x2) = 5 sin x, y(0) = 1 dx dx (b) dt = x + sin(t) + 2 sin(2 t) (c ) dy = (e2* + 2x) sin(x) + y dx