Question

find a unit vector parallel to the resultantof the vectorA=2i^-4j^-2k^ and B =3i^-j^+k^

Answer 1

$hey \: mate \: your \: answer \: is \: option \: b$
OPTION B (COMFIRMED) (ANSWER)

3i^-j^+k^
__________-_________--_-_-_-_-
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_-__-_-&-_-_

Answer 2

Resultant vector: R = 5i - 5j - k
Unit vector parallel to R = R/|R| = (5i - 5j - k)/root51..... i thnk it is correct..