Mathematics · Progressions
Find the sum to n terms of the series: 1×4 + 2×6 + 3×8 + ...
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12(n2 + 1)
- 2n(2n2 + 6n + 4)3✓
- 3n2 + 3n + 73
- 42n(n + 3)
Correct answer
n(2n2 + 6n + 4)3
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