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प्रश्न
If 35Cn +7 = 35C4n − 2 , then write the values of n.
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उत्तर
35Cn +7 = 35C4n − 2
\[ \Rightarrow n = 6\]
\[\text{And}, n + 7 = 4n - 2\]
\[ \Rightarrow n = 3\]
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