Understanding Homogeneous Systems - Expert Answers and Guidance

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SUMMARY

The discussion centers on the mathematical concept of homogeneous systems, specifically addressing an error in the manipulation of the expression (x + y)^2 divided by x^2. The correct transformation leads to (1 + v)^2, but a mistake occurs when transitioning to (1 + v^2), which is not equivalent. The accurate expansion of (1 + v^2) is 1 + 2v + v^2, which is crucial for correctly canceling terms in the equation. This highlights the importance of precise algebraic manipulation in understanding homogeneous systems.

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manal950
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Hi all

I have question in homogeneous .

893204297.jpg


could please check my answer ?
 
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You have a serious error right at the start. You have, on the right, [itex](x+ y)^2[/itex] and you divide that by [itex]x^2[/itex] to get [itex](1+ y/x)^2= (1+ v)^2[/itex]

Up to there you are correct. But then your next line has [itex]1+ v^2[/itex] which is NOT the same thing. [tex](1+ v^2)= 1+ 2v+ v^2[/tex] which works nicely in canceling that "-2v" you will introduce.
 

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