Answer:
The cardinality of the set of letters of the word MATHEMATICS
Step-by-step explanation:
In math, the cardinality of a set is the number of elements it contains. For example, {a, b, c, d, e} has a cardinality of 5. Let's represent the word “representative” as a set. We'll use x1 to indicate the first occurrence of the letter x, x2 for the second occurrence, and so on
