SOLUTION: Dear sir, i got stuck on this home work problem, please help me "If u = −2i + 4j, v = 3i + 2j, w = 4i + 6j then |u + v + w| is a) 5 b) 13 c) 4 d) 15

SOLUTION: Dear sir, i got stuck on this home work problem, please help me "If u = −2i + 4j, v = 3i + 2j, w = 4i + 6j then |u + v + w| is a) 5 b) 13 c) 4 d) 15

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Question 397775: Dear sir, i got stuck on this home work problem, please help me
"If u = −2i + 4j, v = 3i + 2j, w = 4i + 6j then |u + v + w| is
a) 5
b) 13
c) 4
d) 15
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
u +v + w = -2i + 4j + 3i + 2j + 4i + 6j = 5i + 12j.
Then .
So the answer is b.
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