1. What is the definition of the limit of a sequence?
2. According to the formal psilon-N definition, a sequence _n converges to a limit L if:
3. What is the primary role of an arithmetic sequence in mathematics?
Sequence — definition?
An ordered list of numbers with terms indexed by natural numbers.
Series — notation?
Sum of sequence terms, denoted as _{k=1}^{n} a_k or _{k=1}^{\u221e} a_k for infinite.
Arithmetic sequence — role?
Defines terms with constant difference, used to model linear progressions.
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