Relative to a fixed origin O, the point A has coordinates (2, 5, 4). The points B, C, and D are such that BA = i + 2j + 3k BC = 7i + j - k DC = 4i + 2k Determine the distance of D from the origin. Include a diagram. (Answer: 6) (7 marks)

For this assignment, the following must be included as part of solutions: 1) Givens & Required (*Note some questions indicate to include a diagram.) 2) Equation 3) Substitution of values 4) Intermediate steps 5) String number response (if applicable) 6) Final response with therefore statement