Math Problem Statement

Encuentra el vigésimo término de la progresión geométrica: –15, –12, –9, –6… Datos: a1 = –15; d = –12–(–15); n = 20

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Progression
Problems in Sequences and Series

Formulas

Formula for the n-th term of an Arithmetic Progression

Theorems

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Suitable Grade Level

High School