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30 April, 04:09

Find 2u - 3v.

u=4i, v=5j

a. 4i - 5j

b. 8i - 15j

c. 15i - 8j

d. - 8i - 15j

e. 8i + 15j

+2
Answers (2)
  1. 30 April, 07:04
    0
    The answer is B

    Step-by-step explanation:

    2u = 2 (4i) = 8i

    -3v = - 3 (5j) = - 15j

    2u-3v = 8i-15j
  2. 30 April, 07:30
    0
    The answer is b
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