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kavankp124
09.01.2020 •
Mathematics
3. find the number of permutations of two points from a set of four points. how does this answer compare to the number of segments you were able to draw?
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Ответ:
Step-by-step explanation:
Given that there are four points and we have to find the number of permutations of two points from a set of four points
No of permutations = 4P2 = 12
Line segments that can be drawn between any two points from given 4 points would be
4C2 =6 because line segment from A to B would be the same as B to A
i.e. order does not matter.
Thus no of line segments are combinations while permutations represent vectors where direction matters and they are 12.
Line segments are half of total vectors
Ответ:
Step-by-step explanation:
values of coefficients are:
vertex form is , where and
Inserting to the vertex form, we get: