Math Problem Statement

Докажи, что sup{-a_n}=inf{a_n}\text{sup\textbraceleft-a\_n\textbraceright}=-\text{inf\textbraceleft a\_n\textbraceright} если ana_{n} невозрастающая последовательность

Solution

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Math Problem Analysis

Mathematical Concepts

Calculus
Sequences
Supremum and Infimum

Formulas

sup{-a_n} = -inf{a_n}

Theorems

Properties of Supremum and Infimum
Monotonic Sequence Theorem

Suitable Grade Level

University level