Mathematics · Permutation and Combination

If 2nC3 : nC3 = 10 : 1, then the ratio (n2 + 3n) : (n2 - 3n + 4) is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

135 : 16
22 : 1✓
327 : 11
4More than one of the above

Correct answer

2 : 1

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If 2nC3 : nC3 = 10 : 1, then the ratio (n2 + 3n) : (n2 - 3n + 4) is:

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If 2nC3 : nC3 = 10 : 1, then the ratio (n2 + 3n) : (n2 - 3n + 4) is:

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