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0 votes
1.8k views
in Mathematics by (70.5k points)

The number of selection of n objects from 2n objects of which n are identical and the rest are different is 

(A) 2n 

(B) 2n – 1 

(C) 2n – 1 

(D) 2n –1 + 1

1 Answer

+1 vote
by (71.7k points)
selected by
 
Best answer

The correct option (A) 2n  

Explanation:

nC0 + nC1 + nC2 …… + nCn 

= 2n

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