Math Problem Statement

  1. Tentukanlah jumlah n suku pertama dari deret berikut!

a. 16 + 12 + 9 +...

b. 6 + 5 + 4 +...

C. 6/5 + 4/5 + 8/15 +...

d. 1/8 + 1/4 + 1/2 +...

Solution

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Math Problem Analysis

Mathematical Concepts

Arithmetic Sequences
Geometric Sequences
Summation of Series

Formulas

Sum of n terms of arithmetic series: Sn = (n/2) × (2a + (n-1) × d)
Sum of n terms of geometric series: Sn = a(1 - r^n)/(1 - r)

Theorems

Arithmetic Progression (AP)
Geometric Progression (GP)

Suitable Grade Level

Grades 9-11