Math Problem Statement

Let a1, a2, ...,an be a sequence of integers. Show that there exist integers j and k with 1 ≤ j ≤ k ≤nsuchthatthesum k i=j ai is amultiple of n. jawab dengan bahasa indonesia

Solution

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Math Problem Analysis

Mathematical Concepts

Number Theory
Modulo Arithmetic
Pigeonhole Principle
Partial Sums

Formulas

S_k - S_j = Σ(a_i) for i=j+1 to k

Theorems

Pigeonhole Principle
Modulo Arithmetic Properties

Suitable Grade Level

University Level (Advanced Mathematics)