dx + x = t³ dt

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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This equation represents a first-order linear differential equation. It is given by:

\[ t \frac{dx}{dt} + x = t^3 \]

Here, \( t \) is the independent variable, and \( x \) is the dependent variable. The term \(\frac{dx}{dt}\) represents the derivative of \( x \) with respect to \( t \). The equation states that the product of \( t \) and the derivative of \( x \) with respect to \( t \), plus \( x \) itself, is equal to the cube of \( t \).

This type of equation can often be solved using an integrating factor or other methods specific to first-order linear differential equations.
Transcribed Image Text:This equation represents a first-order linear differential equation. It is given by: \[ t \frac{dx}{dt} + x = t^3 \] Here, \( t \) is the independent variable, and \( x \) is the dependent variable. The term \(\frac{dx}{dt}\) represents the derivative of \( x \) with respect to \( t \). The equation states that the product of \( t \) and the derivative of \( x \) with respect to \( t \), plus \( x \) itself, is equal to the cube of \( t \). This type of equation can often be solved using an integrating factor or other methods specific to first-order linear differential equations.
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