In the Previous Three Problems, the Solution at the Interior $u _ { 22 } = 1 / 9$

Multiple Choice

In the previous three problems, the solution at the interior points is Select all that apply.

A) $u _ { 22 } = 1 / 9$
B) $u _ { 22 } = 1 / 6$
C) $u _ { 11 } = 1 / 18$
D) $u _ { 12 } = 1 / 9$
E) $u _ { 21 } = 1 / 9$