Y=C1sin4x+C2cos4x+x

however, it is the solution to the DE

y'' + 16y - 16x = 0

That is not a differential equation.

It merely defines a particular function Y(x)
If it were a differential equation, it would contain a derivative of Y(x)

The given equation is Y = C1sin(4x) + C2cos(4x) + x.

To understand this equation and find a solution, let's break it down step by step:

1. The terms C1sin(4x) and C2cos(4x) represent periodic functions. The sine function (sin) and cosine function (cos) both have a periodicity of 2π (i.e., they repeat every 2π radians). The coefficient 4 before x indicates that the period of these functions is compressed by a factor of 4. So, instead of repeating every 2π, they repeat every 2π/4 = π/2 radians.

2. C1 and C2 are constants that can affect the amplitude, phase, and vertical shift of the periodic functions. They determine the specific characteristics and values of the sine and cosine components.

3. The term x is an additional linear component that adds a straight line to the periodic functions. It means that as x increases, the value of Y increases linearly.

To find a particular solution for this equation, you would need additional information or constraints on the values of C1, C2, or any other conditions.

For example, if you have specific values for C1 and C2, you can substitute them into the equation and obtain a particular expression for Y.

It's important to note that this explanation assumes that the equation represents a solution to a differential equation or a general mathematical expression. Without more context, it is challenging to provide a specific interpretation or application for this equation.