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Table 2: TABLE 2
To Show {sn} Is Decreasing To Show {sn} Is Increasing
Algebraic Difference Show sn+1sn<0 for all n1. Show sn+1sn>0 for all n1.
Algebraic Ratio If sn>0 for all n1, show sn+1sn<1 for all n1. If sn>0 for all n1, show sn+1sn>1 for all n1.
Derivative Show the derivative of a related function f of {sn} is negative for all x1. Show the derivative of a related function f of {sn} is positive for all x1.