Express the Given Vector in Terms of the Unit Vectors $\langle - a , - \frac { 1 } { 2 } a , 4 \rangle$

question 93

Essay

Express the given vector in terms of the unit vectors i, j, and k. $\langle - a , - \frac { 1 } { 2 } a , 4 \rangle$

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Definitions:

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