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Solve the above question.........Plz plz plz plz Plz plz plz plz plz plz plz plz plz.....the question in picture must be solve 2 min....only....

Solve the above question.........Plz plz plz plz
Plz plz plz plz plz plz plz plz plz.....the  question in picture must be solve 2 min....only....

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Grade:11

1 Answers

kkbisht
90 Points
5 years ago
As Given n(Ai) =2i  and A1\subset A2\subset A3 \subset …..\subsetA100   => A1U A2U …..A100= A100   & A= A15 U A16 U …........A100 = A100
Therefore n(A) =n(A100)= 2.100=200    ( By def of n(A)=2.i )
kkbisht
 

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