5-16 Consider steady heat conduction in a plane wall whose left surface (node 0 ) is maintained at 30C while the right surface (node 8 ) is subjected to a heat flux of 800W/m2. Express the finite difference formulation of the boundary nodes 0 and 8 rIGUKE P5-16 for the case of no heat generation. Also obtain the finite difference formulation for the rate of heat transfer at the left boundary