Question

It is easy to check that for any value of "c", the function y = ce^(-2x) + e^(-x) is solution of equation y' + 2y = e^(-x). Find the value of "c" for which the solution satisfies the initial condition
y(-1)= 3.

c =?
It is easy to check that for any value of "c", the function y = ce^(-2x) + e^(-x) is solution of equation y' + 2y = e^(-x). Find the value of "c" for which the solution satisfies the initial condition
y(-1)= 3.

c =?
@Mathematics