Consider the heat equation in a three-dimensional box-shaped region, 0 < x < L, 0 < y < H, 0

Week1 11.1-11.2 Fundamental Counting Principle and Permutation Spring 2016 Q: What is Fundamental Counting Principle A: M items N items Group 1 Group 2 Suppose we want to choose ONE item from each group, then the total number of choices is . Q: Can we apply Fundamental Counting Principle if we have to choose from many groups ( > 2 groups) A: Yes!! Just multiply together the number of available items in every group. Example 1 There are 15 questions in a True/ False test, how many choices in total Example 2 In NY state, typical license plates display three letters (from A to Z) followed by four numbers (from 0 to 9), e.