How many solutions does the ODE have? Given: \begin{cases}y'-a^2(y')^3-\frac{\sin(x)}{x+y}=0 \\y(0)=1\end{cases} Write how many

Elise Winters

Elise Winters

Answered question

2022-04-23

How many solutions does the ODE have?
Given:
{ya2(y)3sin(x)x+y=0y(0)=1 
Write how many solutions does the system have for a=0 and a0.

Answer & Explanation

Addison Zamora

Addison Zamora

Beginner2022-04-24Added 10 answers

If a0, your first equation is a cubic equation in y'. So you have three roots:
y1,2,3=f1,2,3(x,y(x))
For each root you have a unique solution (Picard-Lindelöf theorem). All you need to show is that your roots are different. Start from the cubic roots formula.

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?