Question: Let u= (1,0,0) and v = (x,1,1). a. Find the value of x such that the angle between u and v is 30. b.

Let u= (1,0,0) and v = (x,1,1). a. Find the value of

Let u= (1,0,0) and v = (x,1,1). a. Find the value of x such that the angle between u and v is 30. b. Find the value of x such that the angle between u and v is 60. c. Find the value of x such that the angle between u and v is 90. 1. Find the relative extrema of f(x,y) = x + y. 2. Find the extrema of f(x, y, z) = x + y+z2 subject to x + y + z = 1.

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