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OpenStudy (anonymous):
Create 2arithmetic series in which Sum of 50 terms equals 100
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OpenStudy (anonymous):
Do you know the formula for the sum of an arithmetic series?
OpenStudy (anonymous):
It's easy enough to derive. Imagine having 50 numbers: 1, 2, 3, 4, . . . , 50. The sum of the first and last (1+50)=51; likewise, the sum of the second and next-to-last (2+49)=51. So you have 25 pairs of numbers that add up to 51.
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