Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

I am a bit stuck with this one.

$y' = \displaystyle \frac{ax + by}{cx+dy}$ under the assumption that $ad \neq cb$

share|improve this question
add comment

1 Answer

up vote 5 down vote accepted

Hint: Substitute $y/x=v$

$y'=xv'+v$

share|improve this answer
    
How does one proceed from this point though? I have been trying this for some time but cannot do it. –  user44069 Jan 15 '13 at 9:15
    
Bring v to the other side and separate variables. –  Ishan Banerjee Jan 15 '13 at 9:29
    
Yep, got it! Thanks! –  user44069 Jan 15 '13 at 9:30
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.