MAT137Y1 LEC 20249: Calculus with Proofs (all lecture sections) Pre Class Quiz 57 (13.1 13.4)

Use the definition of the series to determine if the following series are convergent or divergent. 1) ∑ 𝑛 = 1 ∞ 𝑐 𝑜 𝑠 ( 𝑛 𝜋 ) is [ Select ] divergent convergent . 2) ∑ 𝑛 = 1 ∞ 1 2 𝑛 is...