Question 23
VectorsGiven that AB = (4, 3) and AC = (2, −3) (column vectors), find |BC|.
- A.4√2
- B.6√2
- C.2√10
- D.4√10
Show the answer and explanation
Answer: C (2√10)
Explanation
BC = AC − AB = (−2, −6), |BC| = √40 = 2√10.
Given that AB = (4, 3) and AC = (2, −3) (column vectors), find |BC|.
Answer: C (2√10)
BC = AC − AB = (−2, −6), |BC| = √40 = 2√10.