1.

The product of first n odd natural numbers equals:

Answer»

`.^(2N)C_(N) XX .^(n)P_(n)`
`(1/2)^(n) .^(2n) C_(n) xx .^n P_(n)`
`(1/4)^(n). xx .^(2n) C_(n) xx .^(2n)P_(n)`
`.^(n)C_(n) xx .^(n)P_(n)`

ANSWER :B


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