Question: Calculus Thinking 21. Given x = (2, 5), ) = (-5, 12) find the scalar projection of x on V. 22. If (-1, 3, 5)
Calculus

Thinking 21. Given x = (2, 5), ) = (-5, 12) find the scalar projection of x on V. 22. If (-1, 3, 5) x (0, a, 1) = (-2, 1, -1), determine a. ' 23. Given u = [1, 7, 9] and, v = [-2, 5, -3] and w = [4, -6, 8]. a) Find the angle between v and w. b) Are the vectors u and i and w coplanar? Show your answer algebraically
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