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Question Number 134948 by rexford last updated on 08/Mar/21
Commented by bobhans last updated on 09/Mar/21
whatdefinitiona→∧b→?
Commented by rexford last updated on 09/Mar/21
crossproduct
Answered by bramlexs22 last updated on 09/Mar/21
a→.b→=0,a→⊥b→a→.c→=0,a→⊥c→→{∣a→×b→∣=∣a→∣.∣b→∣.sin90°=1∣a→×c→∣=∣a→∣.∣c→∣.sin90°=1now∣a→×b→−a→×c→∣=12+12−2.1.1cos180°=2+2=2
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