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INTEGRAL TEST
recall If cfw_xn nN is a non-decreasing sequence (i.e., xn xn+1 ), then either cfw_xn nN is bounded above, in which case limn xn exists or cfw_xn nN is not bounded above, in which case l
SEQUENCES
A sequence cfw_an is an ordered list of numbers. Thinks of as n=1 cfw_an n=1 = cfw_a1 , a2 , a3 , a4 , . . . goes on forever . You can also think of a sequence as a function f : N R with f