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Express the Vector as a Product of Its Length and Direction

Question 197

Multiple Choice

Express the vector as a product of its length and direction.
- 2i8j+83k- 2 \mathbf { i } - 8 \mathbf { j } + \frac { 8 } { 3 } \mathbf { k }


A) 263(ij+k) \frac { 26 } { 3 } ( - \mathbf { i } - \mathrm { j } + \mathbf { k } )
B) 263(313i1213j+413k) \frac { 26 } { 3 } \left( - \frac { 3 } { 13 } \mathbf { i } - \frac { 12 } { 13 } \mathbf { j } + \frac { 4 } { 13 } \mathbf { k } \right)
C) 6769(313i1213j+413k) \frac { 676 } { 9 } \left( - \frac { 3 } { 13 } \mathbf { i } - \frac { 12 } { 13 } \mathbf { j } + \frac { 4 } { 13 } \mathbf { k } \right)
D) 326\frac { 3 } { 26 }

Correct Answer:

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