Asked by Po
In R4 you are given the points
P(2,2,2,2), Q(9,−5,1,3), R(6,8,−4,1)
(a) Write out all possible arrows which can be formed using the points P,Q,R.
P(2,2,2,2), Q(9,−5,1,3), R(6,8,−4,1)
(a) Write out all possible arrows which can be formed using the points P,Q,R.
Answers
Answered by
Steve
it's the same as the number of ways to permute 2 of 3 things: 3P2 = 6
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