Find a Unit Vector in the Opposite Direction of U $( - 8 , - 11,1 )$

question 11

Multiple Choice

Find a unit vector in the opposite direction of u. u = $( - 8 , - 11,1 )$

• A) \(\frac { 1 } { \sqrt { 20 } } ( - 8 , - 11,1 )\)
• B) \(\frac { 1 } { \sqrt { 186 } } ( 8,11 , - 1 )\)
• C) \(( - 8 , - 11,1 )\)
• D) \(\sqrt { 186 } ( 8,11 , - 1 )\)
• E) \(\sqrt { 20 } ( - 8 , - 11,1 )\)

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Definitions:

Gymnosperms

A group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished by not having flowers or fruit.

Encased

Surrounded or covered with a protective layer or material.

Fruit

The mature ovary of a flowering plant, typically containing seeds.

Seeds

The reproductive unit of a flowering plant, capable of developing into another such plant.