Mathematics · Progressions
If H is the harmonic mean of the numbers 1, 2, 22, 23, ..., 2n-1, then what is nH equal to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 - 12n
- 22 + 12n-1
- 32 - 12n-1✓
- 42 - 12n+1
Correct answer
2 - 12n-1
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