The coefficients of three consecutive terms of (1 + x)^ n+5 are in the ratio 5 : 10 : 14. Then n =

JEE Advanced 2013 Mathematics question

The coefficients of three consecutive terms of are in the ratio 5 : 10 : 14. Then n =

Answer: 6

Let N = n + 5 and the coefficients be . . $

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Question ID VK-026179