Math Problem Statement
Misal Un adalah barisan aritmetika dengan suku pertama a dan beda 2a. Jika U1 + U2 + U3 + U4 + U5 + U6 = 108 maka nilai dari U2 + U4 + U6 + ... + U24 adalah..
Select one: a. 900 b. 864 c. 1776 d. 216 e. 1632
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequence
Sum of Arithmetic Sequence
Formulas
Un = a + (n-1) * d
Sum of first n terms of an arithmetic sequence: S_n = (n/2) * (first term + last term)
Theorems
Arithmetic progression sum formula
Suitable Grade Level
Grades 10-12
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