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There are n white and n black balls mark...

There are n white and n black balls marked 1, 2, 3,…..,n. The number of ways in which we can arrange these balls in a row so that neighbouring balls are of different colours, is

A

`2(n)!`

B

`(2n)!`

C

`2(n!)^(2)`

D

`2.((2n)!)/(""^(2n)C_(n))`

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The correct Answer is:
C, D
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