Can someone help please. This is a 20 mark practice question.

The steady-state temperature distribution u = u(x, y) of a rectangular slab occupying the region 0 1. You might nd the following formula helpful. Porn 2 1,2,3,. ..,m= 1,2,3,\" . L ' mm: mm: d L(mm cogs(m72r)cos(mr)] I n 79 m, 0 5111(T)cos( L ) as: [m n )71- 0 otherwise. You can provide your methods for part {d} and part {6} in the following essay box. This essay box will be marked manually in case you make a mistake in part {d} andfor part (9}. ['T' [L' Q .1: :: ~Ie 5:5 "'9' [1' a It