Mathematics · Sequences and Series
Evaluate the summation: ∑k=1n k(k + 1)(k + 2)...(k + r - 1)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1n(n + 1)(n + 2)...(2n)2n + 1
- 2n(n + 1)(n + 2)...(n + r)r + 1✓
- 3n(n + 1)(n + 2)...(n + r - 1)r
- 4n(n + 1)(n + 2)...(n + r)r + 1
Correct answer
n(n + 1)(n + 2)...(n + r)r + 1
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