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Sir please answer this question.It is very urgent sir .please

Sir please answer this question.It is very urgent sir .please

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Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
Use P&C
 
2ⁿ -1 ia correct answer
 
Hope it helps.
 
In case of any query please feel free to contact
Regards
Arun (askIITians forum expert)

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