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jeffreyaxtell4039
29.07.2019 •
Mathematics
Let u = (1,0,2) , v = (0,-1,2) and w = (2,1,0). compute (i) the area of the parallelogram bounded by u and v (5) (ii) the equation of the plane parallel to v and w pass through the tip of u
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Ответ:
(i) 3
(ii)
Explanation:
(i) The area of the parallelogram bounded by vectors u and v is given by:
Note that if
Thus, the area of the parallelogram formed by vectors u and v is calculated as
Hence, the area of the parallelogram is 3.
(ii) To obtain the equation of the plane, we must get its normal vector and a point in the plane.
As calculated in (i), the normal vector to the plane is
Thus, a normal vector to the plane is
To get a point in the plane, note that vector u can be represented by any pairs of points. So, we can take (0, 0, 0) to be the starting point of vector u. Since
So for any point
Where n is the normal vector to the plane.
Since
Ответ:
half
Step-by-step explanation: