AP Calculus BCeasymcq1 pt
The geometric series Σ arⁿ (from n = 0) converges when
A.|r| < 1
B.|r| > 1
C.r = 1 only
D.r is negative
Explanation
Core Concept
The common ratio must be smaller than 1 in magnitude.
Correct Answer
A|r| < 1
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