makaylaheifort3847 makaylaheifort3847 23-05-2023 Mathematics contestada calc II QUESTION 3 The unit vector that makes an angle e- 2 1 3. with positive X-axis is O 73 03 2. ✓3 ° ( 13 ) ) (1) ( 0 / 3 2 QUESTION 4 if v=5i +j, u = 21 + ✓17 Ovur – 10+ ✓17 Ovu= -10-17 Ovu= 10-