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U = 6i – 10j g= -81 – 11j Find: -3u + 5g
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U = 6i – 10j
g= -81 – 11j
Find: -3u + 5g

User Caleb Gray
by
4.5k points

1 Answer

3 votes

Answer:


-3u + 5g =-58i -25j

Explanation:

Given


u = 6i - 10j


g=-8i - 11j

Required


-3u + 5g

We have:


-3u + 5g

This gives:


-3u + 5g = -3(6i - 10j) + 5(-8i - 11j)

Open bracket


-3u + 5g = -18i + 30j - 40i - 55j

Collect like terms


-3u + 5g = -18i - 40i+ 30j - 55j


-3u + 5g =-58i -25j

User Kjara
by
4.5k points
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