A first order linear differential equation is one that can be put in the form +P(z)y=Q(z) where P and Q are continuous functions on a given interval. This form is called the standard form and readily solved by multiplying both sides of the equation by an integrating factor, µ(z) = eS P(z) & In this problem, we want to find the general solution of the equation dy - y =-(2z" + 12x*) , z > 0 Part 1 We will begin by finding an integrating factor using the formula above, u(z) = es P(z) de µ(x) = Hint: you should first re-write the equation in standard form. Part 2. Next, we multiply both sides of the differential equation by u(z) and re-write the left hand side as the derivative of a product giving us: P dz Part 3. Finally, upon integrating both sides with respect to z and solving for y we have:

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General Solution of a First Order Linear Differential Equation
A first order linear differential equation is one that can be put in the form
dy
dr
+ P(z)y = Q(x)
where Pand Q are continuous functions on a given interval. This form is called the standard form and is readily solved by multiplying both sides of the equation by an integrating factor, u(x) = el P(x) dz
In this problem, we want to find the general solution of the equation
fip
- y = -(2x" + 12z“) , z > 0
Part 1.
We will begin by finding an integrating factor using the formula above, u(z) = el P(z) dr
µ(z) =
Hint: you should first re-write the equation in standard form.
Part 2.
Next, we multiply both sides of the differential equation by u(x) and re-write the left hand side as the derivative of a product giving us:
d
( y
dr
Part 3.
Finally, upon integrating both sides with respect to z and solving for y we have:
y =
NOTE: Type 'C' for the arbitrary constant in the general solution.
Transcribed Image Text:General Solution of a First Order Linear Differential Equation A first order linear differential equation is one that can be put in the form dy dr + P(z)y = Q(x) where Pand Q are continuous functions on a given interval. This form is called the standard form and is readily solved by multiplying both sides of the equation by an integrating factor, u(x) = el P(x) dz In this problem, we want to find the general solution of the equation fip - y = -(2x" + 12z“) , z > 0 Part 1. We will begin by finding an integrating factor using the formula above, u(z) = el P(z) dr µ(z) = Hint: you should first re-write the equation in standard form. Part 2. Next, we multiply both sides of the differential equation by u(x) and re-write the left hand side as the derivative of a product giving us: d ( y dr Part 3. Finally, upon integrating both sides with respect to z and solving for y we have: y = NOTE: Type 'C' for the arbitrary constant in the general solution.
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