½, 1/3, ¼, 1/5
arithmetic or not? and what is the common defference?
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½, 1/3, ¼, 1/5
arithmetic or not? and what is the common defference?
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NO. It is a harmonic sequence.
It doesn't have any common difference.
Harmonic progression (or harmonic sequence) is a progression formed by taking the reciprocals of an arithmetic progression.