Grade 12 Calculus. Vectors dot and product. Show your work.

Communication: [5 Marks] 1. For each of the following calculations a) determine which are possible for vectors in R* and which are meaningless. Indicate which answers will be scalar or vector. [3 marks] Calculation Possible or Meaningless If possible, vector or scalar? a + (2.d) -2 (2xd) . a+1 (axb ) x (c x d) b) Explain how you know if a product will be vector or scalar. What are the operations that will maintain a vector product? What are the operations that will maintain a scalar product? [2 marks] A/