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Use the vectors u = 2i - j, v = 21 - 3j, and w = -3i + 5j to evaluate the expression. 2v - u + w Find a unit vector in the same direction as the given vector. a = 201 - 21j
The vectors u and v have the same direction a. Find ul. b. Find lvl c. Is u=v? Explain. a. lu- (Simplify your answer. Type an exact answer, using radicals as needed.) b. IV (Simplify your answer. Type an exact answer, using radicals as needed) c. Is u=v? Explain. Choose the correct answer below O A. No, because the vectors have different magnitudes and the same direction Click to select your answer(s). We were unable to transcribe this image
6-7. Given vectors U = -41 +12). V = 5i - 21,W=-31 - 1 6. Find a) 30 - 5.b) |2V - WI 7. a) U. W What can you tell from the result? b) angle between U and keep one digit after decimal, calculator ok) 8. a) Write the complex number -2 -21 in trigonometry form. Be sure to graph when looking for O. (No decimal answer) b) use the result from a) and De Moivre's theorem the find...
-/1.42 POINTS MCKTRIG8 7.6.021. - For the following pair of vectors, find U. V. U = -15i + 5j, V = 5i - 3 Need Help? Read It Talk to a Tutor -/1.42 POINTS MCKTRIG8 7.6.025. Find the angle between the given vectors to the nearest tenth of a degree. U = -5i + 7j, V = 81 + 3j = Need Help? Read It Talk to a Tutor
9. Find the component form of the vector that starts at (3,-2) and ends at (-1,9). 10. If the terminal point of vis (4.7) and v = Ti - 13), find the initial point of v. 11. Find a imit vector in the same direction as 211 - 7. 12. Determine whether V and w are parallel. orthogonal, or neither. B. v= -2i+3j, w = -6i+9j A. V = 3i-57. w = 6i - 103 18 C. v = 3i...
Question 4 Given vectors u = i + 3j and v = 21-5j, find 1.- v 2. u-v uz saved at
Find the given quantity if v = 21 - 22 + 2k and w= - 41+2j - 3k. Iv-w] nts Iv-wll- (Simplify your answer. Type an exact value, using fractions and radicals as needed.)
Use the vectors u = i + 5j and v= -61 - 7j. Find 4v + 5u. Additional Materials eBook Vector Operations Learn by Example Submit Answer -/10 POINTS OSCAT1 10.8.512. 0/100 Submissions Used Use the given vectors to compute u + v, u - v, and 3u - 4v. u = (7,-5), v = (3, 4) U + V = u - v = 3u - 4 =
1- Two vectors are given as u = 2 – 5j and v=-{+3j. a- Find the vector 2u +3v (by calculation, not by drawing). (4 pts) b- Find the magnitudes luand il of the two vectors. (4 pts) c- Calculate the scalar product u•v. (5 pts) d- Find the angle between the vectors u and v. (6 pts) - Calculate the vector product uxv. (6 pts)
Thi: Find the magnitude of the vector u. --(-343,-3) ya -3V3 x -3 The magnitude of the vector u is 1 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)