Mathematics
Mathematics, 16.11.2020 07:40, afolmar2006

PRE CAL Let a = 2i + 9j, b = –4i + 5j, c = i – 3j, and d = 14j where i and j are unit vectors.

What is (a – b) – (2d – c) in terms of i and j?

5i – 27j
5i + 35j
7i – 27j
7i + 39j

answer
Answers: 3

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Do you know the correct answer?
PRE CAL Let a = 2i + 9j, b = –4i + 5j, c = i – 3j, and d = 14j where i and j are unit vectors.

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