1.

A coin is tossed 2n times. During the toss any person can't get head and tail with equal numbers. Its probability is ........

Answer»

`((2N)!)/((N!)^(2))((1)/(2))^(2n)`
`1-((2n)!)/((n!)^(2))`
`1-((2n)!)/((n!)^(2))(1)/(4^(n))`
None of these

Answer :C


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