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4 4. Given vectors v = and w = i) Find v - 2w, algebraically. Write the result in the form of at + bj.

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4. Given vectors v = and w = i) Find v - 2w, algebraically. Write the result in the form of at + bj. ii) Find the unit vector u in the direction of w. Find the angle in degrees between the two vectors v and w, using the cosine formula. Round to one decimal place

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