# application method of solving D.E

• Nov 21st 2012, 12:37 PM
loolo
application method of solving D.E
hi

I need your help to solve this question :

1-

Attachment 25831

2-

Attachment 25832
• Nov 21st 2012, 12:47 PM
MarkFL
Re: application method of solving D.E
I would suggest trying the reduction of order procedure for both.
• Nov 22nd 2012, 11:06 AM
loolo
Re: application method of solving D.E
These attempts

Attachment 25844

Attachment 25845

But I can not find a second solution
• Nov 22nd 2012, 05:40 PM
Prove It
Re: application method of solving D.E
What about \displaystyle \begin{align*} y = -x^2 + 1 \end{align*}?
• Nov 22nd 2012, 07:10 PM
loolo
Re: application method of solving D.E
Quote:

Originally Posted by Prove It
What about \displaystyle \begin{align*} y = -x^2 + 1 \end{align*}?

[IMG]http://latex.codecogs.com/png.latex?\displaystyle \begin{align*} y = -x^2 + 1 \end{align*}[/IMG]?

Is the solution to the equation.

Find the second solution using this law

Attachment 25854