Question: For vectors i and , suppose ||u|| = 5, the angle between the vectors is 170 degrees, and the dot product u- = -8.

For vectors i and , suppose ||u|| = 5, the angle between 

For vectors i and , suppose ||u|| = 5, the angle between the vectors is 170 degrees, and the dot product u- = -8. Find the magnitude of vectori. Leave at least 4 decimals place. Don't round.

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