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23-12-2020
Mathematics

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u = 4i + 9j
8= -8j
Find: u +g

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23-12-2020

Answer:

4i + j

Step-by-step explanation:

I think you meant g instead of 8.

Given:

u = 4i + 9j

g = -8j

u + g

(4i + 9j) + (-8j)

4i + j

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