Question: 4. Given: a = (2, -1), b = (-6, 4), and c = (-3, -5). Determine: a) [2c + al [2] b) a unit vector

4. Given: a = (2, -1), b = (-6, 4), and

4. Given: a = (2, -1), b = (-6, 4), and c = (-3, -5). Determine: a) [2c + al [2] b) a unit vector in the same direction as a. [1 ] c) b as a linear combination of i and j. [1 ] d) a linear combination of d and b to express c. [1] e) the angle between a and b . [2]

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