Math Problem Statement

Suku ke 6 dan suku ke-10 suatu barisan aritmetika berturut-turut adalah 19 dan 31

a. Tentukan suku pertama dan beda barisan tersebut.

b. Tentukan suku ke-35 barisan.

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Sequences
Linear Equations

Formulas

General formula for the nth term of an arithmetic sequence: U_n = a + (n - 1) * b
System of linear equations for finding the first term and common difference

Theorems

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Suitable Grade Level

Grades 9-10