3. Classify the following PDE as (i) Linear or Nonlinear, (i) Homogeneous or nonhomogeneous a. x u xx -y uyy = 4 2 b. (x – 1)+ 2 ( = cos X с. —2 и хх + иду + 4uyy + 5 и, + 5и %3D0

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Q: the answer is cropped out.

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A: I have solved first two question for other two question repost question it is guidelines of bartleby…