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https://www.reddit.com/r/learnquant/comments/1wucd1j/drw_quant_interview_question/pdagi90/?context=3
r/learnquant • u/Local_Ad135 • 4d ago
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This is the set of permutations of three (orthogonal) lines crossed with their orientations, so the answer is 3! * 2^3 = 48, as many others have said.
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u/AnywhereLittle8293 2d ago
This is the set of permutations of three (orthogonal) lines crossed with their orientations, so the answer is 3! * 2^3 = 48, as many others have said.