Hi guys! I ve got this very difficult exercise for my uni. Could someone please help? Thank you in advance.

http://img2.immage.de/200270494rszexercise2.jpg

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- February 20th 2010, 01:43 AMIBDDifferentials
Hi guys! I ve got this very difficult exercise for my uni. Could someone please help? Thank you in advance.

http://img2.immage.de/200270494rszexercise2.jpg - February 20th 2010, 02:02 AMProve It
- February 20th 2010, 02:11 AMIBD
Thanks for looking into my problem Prove It. I have inserted a picture of the exercise but it seems that you could not see it. I have now uploaded it as an attachment. Thanks again

- February 20th 2010, 02:39 AMProve It
Why not substitute D and S into the equation for ?

This will give you a second order constand coefficient ODE. - February 20th 2010, 10:16 PMIBD
Thanks Prove it for your response. I will substitute into p'' however i don't get p' this way. could you please let me know how i will obtain the differential equation that the first question asks for?

- February 20th 2010, 10:31 PMProve It
- February 21st 2010, 12:30 AMIBD
My dearest Prove It can you please send me a pm with some contact information (email)? I cannot send you a pm because I am a new member and don't have 15 posts. I need to discuss something in private. Thanks