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User Catalin Enache
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What is the square root of -1? -i I -1 1
asked
Oct 21, 2021
Mathematics
high-school
2
answers
2
votes
45.3k
views
Determine which of the following are equivalence relations and/or partial ordering relations for the given sets: A = { lines in the plane } , and r defined by x r y if and only if x is parallel to y .
asked
Oct 3, 2021
Mathematics
college
1
answer
0
votes
161k
views
How do viruses infect the human body?
asked
Jul 25, 2021
Health
high-school
2
answers
0
votes
106k
views
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