Math Problem Statement

Tentukanlah rumus pada bilangan dan barisan dibawah ini. a. 1, 4, 9, 16, . b. 2, 6, 12, 20

Solution

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Math Problem Analysis

Mathematical Concepts

Number Sequences
Quadratic Patterns
Arithmetic Progression

Formulas

n^2 for perfect squares in sequence a
2n(n+1) for sequence b, or equivalently, 2n^2 + 2n

Theorems

Square numbers theorem
Triangular numbers theorem

Suitable Grade Level

Grades 6-8