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How in the world do you get from here to here

  • Thread starter bmed90
  • Start date
  • #1
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0

Homework Statement



(1/x)(dy/dx)-(y/x^2)=e^x


to


d/dx(y/x)=e^x


where does the dy go and where does the 1/x go??

This is a DIFF EQ problem btw...LineaR Eq solving by integrating factor...


Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
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618
Find d/dx of y(x)/x. Use the quotient rule.
 
  • #3
99
0
?????
 
  • #4
Dick
Science Advisor
Homework Helper
26,258
618
?????
The derivative of f(x)/g(x) with respect to x is (f'(x)*g(x)-g'(x)*f(x))/g(x)^2. It's called the quotient rule, look it up. Apply it to y(x)/x.
 
Last edited:

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