Math Problem Statement

y′−y/x=xcosx,

Solution

The given first-order differential equation is:

yyx=xcosxy' - \frac{y}{x} = x \cos x

This is a linear first-order differential equation, and it can be solved using an integrating factor.

Steps to solve:

  1. Rearrange the equation in standard linear form: y+P(x)y=Q(x)y' + P(x)y = Q(x) Here, we have: P(x)=1xandQ(x)=xcosxP(x) = -\frac{1}{x} \quad \text{and} \quad Q(x) = x \cos x

  2. **Find

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Math Problem Analysis

Mathematical Concepts

Differential Equations
Linear First-Order Equations
Integrating Factor

Formulas

Standard form of a linear first-order differential equation: y' + P(x)y = Q(x)
Integrating factor: e^(∫P(x) dx)

Theorems

Theory of Linear First-Order Differential Equations

Suitable Grade Level

Undergraduate Mathematics