Question 1. Vectors u=(4,-2), v=(3,4)
have the deviation
a)arcsin1125
b)arccos1215
c)arccos45+20
d)arcsin1215
e)arccos2525
Question 2.
Given the straight line X=[5,-2]+t(3,2), t∈ℝ.
Determine for which values of a parameter t
the points of the straight line are within the first quadrant.
a)t∈⟨13,∞)
b) For none t.
c)t∈(-∞,1⟩
d)t∈⟨1,∞)
e)t∈⟨13,1⟩
Question 3.
Determine the deviation of the planes x-2y+2z+3=0, x+y-4z=0.