Separable Differential Equation dy/dz

In summary, a separable differential equation is an equation where the variables can be separated and solved using integration. To solve a separable differential equation, the variables must be separated and both sides integrated. The purpose of solving a separable differential equation is to find a function that represents the relationship between two variables, and it can have multiple solutions due to the constant of integration. Specific techniques, such as substitution or partial fractions, can be used to solve certain types of separable differential equations.
  • #1
BarackObama
13
0

Homework Statement


dy/dz = ycosx/(1+y^2), y(0) = 1

Stewart 6e, 10.3 # 12

Homework Equations





The Attempt at a Solution


∫(1+y^2)dy/y = ∫cosxdy
-------------- = sinx + C

How do I find the integral of this product? Do I use integration by parts?
 
Physics news on Phys.org
  • #2
Good morning again, Mr President! :wink:

(do try using the X2 icon just above the Reply box :wink:)
BarackObama said:
∫(1+y^2)dy/y = ∫cosxdy
-------------- = sinx + C

How do I find the integral of this product? Do I use integration by parts?

Go for the obvious

(1 + y2)/y = … ? :smile:
 

Related to Separable Differential Equation dy/dz

1. What is a separable differential equation?

A separable differential equation is a type of differential equation where the variables can be separated and written on different sides of the equation. This allows for the equation to be solved using integration.

2. How do you solve a separable differential equation?

To solve a separable differential equation, you must first separate the variables and then integrate both sides. This will result in an equation with only one variable, which can then be solved using standard algebraic methods.

3. What is the purpose of solving a separable differential equation?

The purpose of solving a separable differential equation is to find a function that satisfies the equation and represents the relationship between two variables. This can be useful in many scientific fields, such as physics, chemistry, and engineering, to model real-world phenomena.

4. Can a separable differential equation have multiple solutions?

Yes, a separable differential equation can have multiple solutions. This is because the integration process can result in a constant of integration, which can take on different values and lead to different solutions.

5. Are there any specific techniques for solving separable differential equations?

Yes, there are some specific techniques that can be used to solve certain types of separable differential equations, such as using substitution or using partial fractions. It is important to identify the type of separable differential equation and choose the appropriate technique for solving it.

Similar threads

  • Calculus and Beyond Homework Help
Replies
2
Views
774
  • Calculus and Beyond Homework Help
Replies
8
Views
799
  • Calculus and Beyond Homework Help
Replies
6
Views
808
  • Calculus and Beyond Homework Help
Replies
2
Views
705
  • Calculus and Beyond Homework Help
Replies
4
Views
1K
  • Calculus and Beyond Homework Help
Replies
1
Views
862
  • Calculus and Beyond Homework Help
Replies
4
Views
715
  • Calculus and Beyond Homework Help
Replies
4
Views
982
  • Calculus and Beyond Homework Help
Replies
2
Views
476
  • Calculus and Beyond Homework Help
Replies
20
Views
522
Back
Top