Question: fQuestion 3 Given X= and Y=. Find -2Y. O O 0 O Question 4 Given X= and Y=. Find the magnitude of X+Y. Question 5

$\fQuestion 3 Given X= and Y=. Find -2Y. O O 0$ O Question 4 Given X= and Y=. Find the magnitude of X+Y. Question 5 20 pts Given X= and Y=. Find the magnitude of

\fQuestion 3 Given X= and Y=. Find -2Y. O O 0 O Question 4 Given X= and Y=. Find the magnitude of X+Y. Question 5 20 pts Given X= and Y=. Find the magnitude of X-Y. O 68 O -68 O 2V17 O -2V17

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