A rectangular football field measures 505050 meters by 252525 meters. The football team has to run around the field 444 times du
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This is not true. The infinite series
converges if and only if the sequence of its partial sums converges. The
-th partial sum is
but clearly this diverges as gets arbitrarily large.
converges if and only if the sequence of its partial sums converges. The
but clearly this diverges as