Solve DE Homework: y'/y + lny = sqrt(1-e^x)

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SUMMARY

The differential equation y'/y + lny = sqrt(1-e^x) can be solved using the substitution y = ux, where u is a function of x. The hint provided indicates that y'/y can be expressed as (ln y)', which simplifies the equation. This approach leads to a more manageable form, allowing for further analysis and solution. The discussion emphasizes the importance of recognizing derivative relationships in solving differential equations.

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Homework Statement



Use appropriate substitution to solve the differential equation
y'/y + lny = sqrt(1-e^x)

Homework Equations





The Attempt at a Solution



I thought of trying to substitute y=ux but didn't get any helpful results, any help or hints would be great.
 
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Hint: y'/y = (ln y)'

Chet
 
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