Use the result of Exercise 21 to do Exercise 13.Exercise 21Show that the solution to the l...

Use the result of Exercise 21 to do Exercise 13.

Exercise 21

Show that the solution to the linear first order initial value problem

y′ + p(x)y = q(x), y(x0) = y0

is given by

Exercise 13

In Exercise, solve the initial value problems.

y′ + 4y = 2, y(1) = 2