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seven people meet and shake hands with eachother- how many handshakes occur? (second question) using inductive reasoning, write...Asked by Shay
seven people meet and shake hands with eachother- how many handshakes occur?
(second question)
using inductive reasoning, write a formula for the number of handshakes if the number of people is n
(second question)
using inductive reasoning, write a formula for the number of handshakes if the number of people is n
Answers
Answered by
bobpursley
nCr = n!/(r!*(n-r)!) Think about that.
You need to go through the reasoning. Try making a diagram with 4 folks (A,B,C,D) shaking hands
You need to go through the reasoning. Try making a diagram with 4 folks (A,B,C,D) shaking hands
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