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Find the correct statement:...

Find the correct statement:

A

1! + `(2 xx 2!)` + `(3 xx 3!)`... `(10 xx 10!)`= 11! + 1

B

`(""^(n)P_(r))/(""^(n)C_(r))=r!`

C

The sum of first n positive odd numbers is `n^(3)`

D

The no. of diagonals of a polygon of n sides is `""^(n)C_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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