EVESUNER1303
20.09.2020 •
Mathematics
Determine if the sequence is arithmetic 28,26,24,22,...
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Ответ:
Ответ:
B=4i+4j-2k
Step-by-step explanation:
Lets find the length of vector A
IAI= sqrt(2²+2²+1²)=sqrt(9)=3
So B=2*A = 2(2i+2j-1k)=4i+4j-2k