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JEE MATHEMATICS MCQ: COMBINATIONS

1 Easy
1 of 1
Application +4 | -1
If 1  4Cn=1  5Cn+1  6Cn\frac{1}{{{\;^4}{C_n}}} = \frac{1}{{{\;^5}{C_n}}} + \frac{1}{{{\;^6}{C_n}}}, then nn is equal to
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Correct option: B
2
Option B (2) is correct because solving the given equation involving combinations results in n = 2.

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