Mathematics · Sequences and Series
The value of the sum 12 + 16 + 112 + 120 + 130 + ... + 1n(n+1) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1nn2 + 1
- 21n + 1
- 3nn + 1✓
- 41n
Correct answer
nn + 1
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