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If Nc12 = Nc5, Find the Value of N. - Mathematics

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If nC12 = nC5, find the value of n.

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Solution

We have,
nC12 = nC5

\[\Rightarrow n = 12 + 5 = 17\]  [∵\[{}^n C_x = {}^n C_y \Rightarrow x = y\]]  or, \[n = x + y\]
Concept: Combination
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APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 17 Combinations
Exercise 17.1 | Q 2 | Page 8

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