Chapter 12, PROBLEM SET 12.4 #11

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Find the type, transform to normal form, and solve. Show your work in detail.

u_{xx} + 2u_{xy} + u_{yy} = 0

PROBLEM SET 12.10:

PROBLEM SET 12.11:

PROBLEM SET 12.12:

PROBLEM SET 12.3:

PROBLEM SET 12.4:

PROBLEM SET 12.6:

PROBLEM SET 12.7:

PROBLEM SET 12.9: