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Help me answer this, thank you
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4 votes
Help me answer this, thank you

Help me answer this, thank you-example-1
User Khuram Niaz
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1 Answer

4 votes

Answer:

4

Explanation:

P={1,2,3,4,5,6}

Q={3,4,5,6,7,8,9}

PnQ={3,4,5,6}

Therefore, n(PnQ) =4

User NorthCat
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