Political Science, asked by kambojr332, 10 months ago

r! (n-1)!
n!
xr!(n-1)!
(n.)!
n!
Er! = 1320 = 6
220
*3*2*1
= 3!
:r
=
3​

Answers

Answered by suman812
0

can't understand.no idea about it

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