The scalar product of 5i +j–3k and 3i–4j+7k is ____?

The scalar product of 5i +j–3k and 3i–4j+7k is ____?

  1. a) 10
  2. b) –10
  3. c) 15
  4. d) –15

From the BCIC Assistant Programer (CSE) 2022 – Written (BUET) exam, question 30 of 56.

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