Question 1

Time: 00:00:00
What is the harmonic mean of 1,1/2,1/3,...,1/n.

(n+1)/2

(n+1)/2

2/( n+1)

2/( n+1)

(n+1)n/2

(n+1)n/2

2/n(n+1)

2/n(n+1)

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