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If A = 2i + 3j and B = 4i + k, what is the value of A · B?

Practice Questions

1 question
Q1
If A = 2i + 3j and B = 4i + k, what is the value of A · B?
  1. 14
  2. 8
  3. 10
  4. 12

Questions & Step-by-step Solutions

1 item
Q
Q: If A = 2i + 3j and B = 4i + k, what is the value of A · B?
Solution: A · B = (2)(4) + (3)(0) + (0)(1) = 8.
Steps: 0

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