Math Problem Statement

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Set Theory
Matrix Operations
Relations and Functions

Formulas

System of linear equations: Ax = b
Matrix multiplication and orthogonality conditions
Properties of relations: reflexive, symmetric, transitive
Cartesian product in set theory

Theorems

Properties of orthogonal matrices
The definition of null sets in set theory
Linear transformation and the rank-nullity theorem
Inversibility of functions

Suitable Grade Level

Undergraduate level (First-year to Second-year university)