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

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