3. Consider the vectors ii = 2?- 3}'+ 43 and E = i'+ 2f E. a) Represent the vector Ei using a 3D rectangular prism (box). b) Find 6i + l; and it\" E as algebraic vectors c} Find the magnitude of the vector 2&' + 35 Thinking I Inquiry [19 marks each - Total {20] 4. The diagram shows a regular octagon. Write a single vector that is equivalent to each vector expression. h B a)m+ H c tomE? G D c)fTE'+E=l F E marnun: 5. Consider the vectors a = 20[w1 and i5 = 10[s 30 3]. a) Represent these vectors in a diagram. b) Find the magnitude (exact value) and the direction (in true bearing) of the vector sum 61' + 3. Draw a diagram