Add: $2 u + 3 v, - 2 v + 3 w, 3 u - v + 2 w$

5 u - 5 w

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5 u + 5 w

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u - w

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u + w

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Solution

The correct option is A $5 u + 5 w$
given, $(2 u + 3 v + 3 u - v + 2 w) + (- 2 v + 3 w)$

$= 5 u + 2 v + 2 w - 2 v + 3 w$

$= 5 u + 5 w$

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Add: 2u+3v,−2v+3w,3u−v+2w

The correct option is A 5u+5wgiven, (2u+3v+3u−v+2w)+(−2v+3w)=5u+2v+2w−2v+3w=5u+5w

Add: $2 u + 3 v, - 2 v + 3 w, 3 u - v + 2 w$

The correct option is A $5 u + 5 w$
given, $(2 u + 3 v + 3 u - v + 2 w) + (- 2 v + 3 w)$

$= 5 u + 2 v + 2 w - 2 v + 3 w$

$= 5 u + 5 w$