Note that Ar = xp-xw and Ax= www. WW AX W AX P (a) A first...

  

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Note that Ar₁ = xp-xw and Ax₂= www. WW AX₂ W AX₁ P (a) A first order approximation to (10) (b) A second order approximation to f. (20) (c) If values of temperature are available at points P, W, and WW, determine an approx- imation to the heat flux at P with order O((Ar)2) when Ax₁ = A2. (10) Note that Ar₁ = xp-xw and Ax₂= www. WW AX₂ W AX₁ P (a) A first order approximation to (10) (b) A second order approximation to f. (20) (c) If values of temperature are available at points P, W, and WW, determine an approx- imation to the heat flux at P with order O((Ar)2) when Ax₁ = A2. (10)