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Re:Higher math proficiency test: An extended-problem-solving... by tromp on Friday July 24, 2020 @05:21PM (#23944591)
I answered none of the above precisely because associativity doesn't apply to an operator that maps 2 vectors to a scalar. But it still felt wrong.
Re:Higher math proficiency test: An extended-problem-solving... by SamReidHughes on Saturday July 25, 2020 @02:10PM (#23951241)
Oh, I was parsing the responses like "(Non-associative, commutative and distributive) on addition". And no, the dot product is not commutative on addition. But it's meant to be "Non-associative, commutative and (distributive on addition)".