Mathematics · Progression and Series

The value of (12 + 22 + ... + n2) - (1 + 2 + ... + n) is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1n(n2 - 1)2
2n(n2 - 1)3✓
3n(n + 1)23
4n2(n + 1)3

Correct answer

n(n2 - 1)3

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The value of (12 + 22 + ... + n2) - (1 + 2 + ... + n) is:

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