Question: 3. (25) Consider the partial differential equation over a typical element 9' with boundary r' : 'u V2u+cu=f[x,y) in 9', Willi $+Bu=m on I. Note

3. (25) Consider the partial differential equation over a typical element 9' with boundary r' : 'u V2u+cu=f[x,y) in 9', Willi $+Bu=m on I". Note that =nxex+nyey is the unit normal on I" . (a) (12) Construct the weak-form on this element. (0) (8) Identify the bilinear and linear functionals. (c) (5) For a quadratic triangular element shown below, please choose appropriate polynomial approximate solution and specify the interpolation relations used to nd the polynomial coefficients (no need to calculate the coefficients)

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