Math Problem Statement
Can you use one of these formulas
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Summation
Series
Formulas
General Term of an Arithmetic Sequence: u_n = u_1 + (n-1) d
Sum of the First n Terms of an Arithmetic Sequence (Two Forms): S_n = \frac{n}{2} \left(2u_1 + (n-1)d\right) and S_n = \frac{n}{2} (u_1 + u_n)
Theorems
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Suitable Grade Level
High School