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

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4. Given vectors v = and w = i) Find v + 4w, algebraically. Write the result in the form of ai + bj. ii) Find the unit vector u in the direction of w. iii) 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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