Math Problem Statement

Suku ke -3 dan suku ke -16 dari barisan aritmatika adalah 13 dan 78. Suku pertama dan bedanya berturut-turut adalah …

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Sequence
Linear Equations

Formulas

General formula of an arithmetic sequence: U_n = U_1 + (n - 1) * b

Theorems

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Suitable Grade Level

Grades 9-10