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Mathematics, 31.03.2020 02:49 jm482931

I have 12 friends I would like to invite to dinner but can only accommodate ten. How many ways can I invite ten if: a. There are no restrictions. Simplify your answer to one final number. For b and c Do not simplify your answers. Leave in combinatorics form. b. Two of my friends are married so if I invite one, I have to invite the other. c. Two of my friends do not like each other so if invite one, I cannot invite the other.

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