Find the integrating factor of the differential equation dy/dx + (1/x)y = x³.
Find the integrating factor of the differential equation dy/dx + (1/x)y = x³.
- A. log x
- B. x
- C. eˣ
- D. 1/x
Answer: B) x
Explanation: Here, P = 1/x. IF = e^(∫P dx) = e^(∫(1/x)dx) = e^(log x) = x.
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