Statement 1: When number of ways of arra...

Statement 1: When number of ways of arranging 21 objects of which `r` objects are identical of one type and remaining are identical of second type is maximum, then maximum value of `^13 C_ri s78.` Statement 2: `^2n+1C_r` is maximum when `r=ndot`

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Statement 1: When number of ways of arranging 21 objects of which `r` objects are identical of one type and remaining are identical of second type is maximum, then maximum value of `^13 C_ri s78.` Statement 2: `^2n+1C_r` is maximum when `r=ndot`

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