Answer to Question #51714 in Vector Calculus for tiff

Question #51714
a vector = 2i+3j-k , find a unit vector parallel to this vector ? should i use (±)? unit vector = ±( 2i+3j-k)/sqrt(14).?

i m confused to use (±). if (±) needed , then why ?? someone says opposite direction that's why .please show me the two directions for using (±) in diagram
1
Expert's answer
2015-04-06T09:33:16-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-51714.pdf

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