Mathematics, 12.03.2021 16:50, winterblanco

1.which of the following is not a unit vector
A.2/7i +3/7j+6/7k
B. i+j+k
C.1/2i-1/root 2j

Answers: 1

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1.which of the following is not a unit vector
A.2/7i +3/7j+6/7k
B. i+j+k
C.1/2i-1/ro...