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Determine n if (i) ^2nC3 : ^nC2 = 12 : 1 (ii) ^2nC3 : ^nC3 = 11 : 1

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Determine n if 

(i) 2nC3 : nC2 = 12 : 1 

(ii) 2nC3 : nC3 = 11 : 1

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(i) Here 2nC3 : nC2 = 12 : 1

(ii) Here 2nC3 : nC3 = 11 : 1

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