A) \[2n-1\]
B) \[2n-2\]
C) \[{{2}^{n}}-1\]
D) \[{{2}^{n}}-2\]
Correct Answer: C
Solution :
| [c] Total number of subsets\[={{2}^{n}}\] \[\therefore \]Number of proper subsets \[={{2}^{n}}-1\] |
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