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Logarithms

If A and B ar...

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If A and B are any two empty sets and A is a proper subset of B. If cardinal number of A is 5 then minimum possible value of n (A Delta B) is

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Q. A and B are any two non-empty sets and A is proper subset of B. If n(A) = 5, then the minimum possible value of n(A ∆ B) is ____________.

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