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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Shashi ranjan sinha
see the attachment.
Sir , please see the attachment. Is it a Quasi linear PDE.
Yes it is quasi linear of order 2
see... in order to check whether this given pde is 2nd order quasi or not , u need to see that 1) Uxx , Uxy and Uyy must be of power 1..... & 2) the coefficients of these must be functions of x,y, U, Ux,Uy
Hope this explanation will help you...but in case of doubt, u can still ask me
And I request you to please take a look on my answers of your other questions too that you have asked