Let D be a standard deck of cards, let SV = {A♡, K♡,Q♡, JO}. a) List all the subsets of S♡ that contain both the A♡ and KO. How many subsets of this type are there? Discuss why this is the same number as all the subsets of {Q♡, J♡}. b) How many subsets of D contain both the A♡ and K♡?

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Q: 20

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