Write an expression that can be used to produce vector b from vector a, and explain how you determined that expression.

The explanation regarding the vector is illustrated below.
It should be noted that vector A with components a, b, c, can be written as (a, b, c) or in terms of unit vectors as ai + bj + ck.
In this case, the letters I, j, and k are the standard symbols for the unit vectors in the x, y, and z directions.
Therefore, if A = (3,4,5( you can write A = 3i + 4j + 5k.
If B = (1, 1, 1), you can write B = I + j + k.
Then A - B is the vector whose component are the difference in each components.
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