Math Problem Statement

Αν |A|=3 και |B|=7 πόσες επί συναρτήσεις υπάρχουν από το A στο B ;

Solution

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Math Problem Analysis

Mathematical Concepts

Functions
Combinatorics

Formulas

Binomial coefficient
Inclusion-exclusion principle

Theorems

Inclusion-exclusion principle

Suitable Grade Level

Undergraduate level