If A = 2i − 3j + 4k and B = i + 2j − k, then A·B = ?

If A = 2i − 3j + 4k and B = i + 2j − k, then A·B = ?

  1. a) −8
  2. b) 0
  3. c) 1
  4. d) 5

From the PetroBangla Assistant Manager (CSE) June 2024 – Written (BUET) exam, question 33 of 51.

More from this paper