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## Find The General Solution Of The Given Differential Equation. X Dy Dx − Y = X2 Sin(X)

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## Answers ( 2 )

## Find The General Solution Of The Given Differential Equation. X Dy Dx − Y = X2 Sin(X)

Differential equations are an essential part of mathematics and play a key role in many scientific disciplines. A differential equation is a mathematical equation that describes the relationship between two or more variables and their derivatives. In this article, we will discuss how to find the general solution of a given differential equation: x dy dx − y = x2 sin(x). We will explain what a solution is and provide some examples on how to approach this type of problem. Finally, we will look at some tips for solving these types of equations.

## What is a differential equation?

A differential equation is an equation that involves a function and its derivatives. In this case, the function is x and the derivative is dy/dx. The equation can be written as:dy/dx – y = xsin(x)

This equation can be read as “the derivative of y with respect to x, minus y, equals x times the sine of x”.

## What is the general solution of a differential equation?

The general solution to a differential equation is a mathematical function that satisfies the given equation. In other words, it is a function that can be plugged into the equation and produce a true statement.

To find the general solution to a differential equation, one must solve for the unknown function. This can be done by using various methods, such as separation of variables or integrating factors. Once the unknown function is found, it can be plugged into the original equation to verify that it is indeed a solution.

Differential equations are ubiquitous in mathematics and physics. Their solutions allow us to understand and predict many phenomena in the natural world. Therefore, being able to find the general solution to a differential equation is an important skill for any student of mathematics or physics.

## How to find the general solution of a given differential equation?

To find the general solution of a given differential equation, one must first determine the order of the equation. The order of a differential equation is the highest derivative that appears in the equation. Once the order of the equation is determined, one can use either an integrating factor or variation of parameters to solve for the general solution.

If an integrating factor is used, it must be found first. To do this, one takes the derivatives of both sides of the equation and sets them equal to each other. This will give a differential equation in terms of only one variable, which can then be solved for. The integrating factor will then be used to multiply both sides of the original differential equation, thus solving for the general solution.

Variation of parameters is another method that can be used to find the general solution of a given differential equation. This method involves solving for two particular solutions and then using these solutions to find a general solution. First, take the derivative of both sides of the equation and set them equal to each other. This will give a differential equation in terms of only one variable, which can then be solved for two particular solutions. Next, take these two particular solutions and plug them back into the original differential equation. This should give a linear combination of these two solutions, which is the general solution sought after.

## Examples of finding the general solution of a differential equation

To find the general solution of the given differential equation, we will need to first determine what form the general solution will take. In this case, it will be in the form of an infinite series.

Once we know the form of the general solution, we can then use it to find specific solutions to particular cases. For example, let’s say we want to find the specific solution to the differential equation when x = 0. We can plug this value into our general solution and solve for y.

In general, finding the specific solution to a differential equation is a matter of plugging in the appropriate values and solving for y. However, there are some cases where this is not possible. In these cases, we will need to use numerical methods to approximate a solution.

## Conclusion

In this article, we have discussed the general solution of a given differential equation x dy dx − y = x2 sin(x). We found that the general solution of this differential equation is y = -∫x2sin(x)dx + C, where C is an arbitrary constant. By solving it using integration methods, we have successfully derived its general form and as such can solve related problems in similar ways. With some practice and understanding of the basic concepts behind calculus and differential equations, anyone can work through these types of problems with confidence.

Are you trying to solve a differential equation?

We got you covered!

Finding the general solution of a differential equation is an important part of calculus and can be quite tricky. But don’t worry, we’ll walk you through it step by step!

Let’s start with the equation given:

x dy dx − y = x2 sin(x)

The first step is to separate the variables by taking the derivative of y with respect to x on the left-hand side:

dy dx = x2 sin(x) + y

Now that the equation is in a separable form, we can separate dy and dx:

dy = (x2 sin(x) + y) dx

Now we can integrate both sides to solve for y:

∫ dy = ∫ (x2 sin(x) + y) dx

Using integration by parts, we can solve for y and find the general solution:

y = -x2 sin(x) + C

where C is an arbitrary constant.

And there you have it! You just found the general solution to the given differential equation!

Now you’re one step closer to mastering calculus!