Math Problem Statement

 40)(,6)(,8)–( , then ABn  .

Solution

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Math Problem Analysis

Mathematical Concepts

Set Theory
Union and Intersection of Sets
Cardinality

Formulas

n(A ∪ B) = n(A) + n(B) - n(A ∩ B)
n(A ∩ B) = n(A) + n(B) - n(A ∪ B)

Theorems

Inclusion-Exclusion Principle

Suitable Grade Level

Grades 9-12