Exercise 1.2.14

Answers

One possibility among many: u = (1,−1,0,0),v = (0,0,1,−1),w = (1,1,−1,−1) and (1,1,1,1) are perpendicular to each other. "We can rotate those u,v,w in their 3D hyperplane and they will stay perpendicular."

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2021-11-20 14:05
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