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2nd order PDE charcteristics... help please! :S

Sarahisme
in Homework Help

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hi all, sorry again for the thousands of stupid questions! :P but heres another one...

 

picture13df1.png

 

ok i said for part (a) that the PDE is a hyperbolic type and so has two sets of real characteristics. and that the characteristics are picture14dj6.png

 

then for part (b) i used the coordinates:

picture15ct2.png

 

which leads to the equation:

picture16yi2.png

 

but then i am stuck... how can i get the 'general solution' from this, i think i am heading in the right direction, but i am not sure.

 

any help would be greatly appreciated!

 

thanks

 

Sarah :)

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