combinations.
Step-by-step explanation:
Given : A standard deck of 52 cards contains 13 cards with hearts, 13 with diamonds, 13 with clubs, and 13 with spades.
To find : The combination of 7-cards with 2 hearts, 2 diamonds, 2 clubs, and 1 spade.
Solution : Total 7 cards are in hand out of 52 cards in which,
2 hearts out of 13 hearts
2 diamonds out of 13 diamonds
2 clubs out of 13 clubs
1 spade out of 13 spades
As order doesn't matter,
Therefore the combination is
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