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Prove Theorem 10.40. That is, show that if P=x0,y0,z0is a point on plane℘then the distance between the origin and ℘is given by x0,y0,z0·nwhere nis a unit normal vector to ℘

Short Answer

Expert verified

The distance between the origin and the plane ÒÏis given by x0,y0,z0·nwhere nis a unit normal vector to the plane ℘

Step by step solution

01

Given information

The point P=x0,y0,z0on the plane ℘

02

Calculation

The goal is to demonstrate that the distance between the origin and the plane is equal ℘is given by x0,y0,z0·n, where nis a unit normal vector to the plane ÒÏ.

The direction vector of the point P=x0,y0,z0and the origin (0,0,0)is:

d=x0-0,y0-0,z0-0=x0,y0,z0

03

Calculation

The distance is given by:

Distance=|d·n|=x0,y0,z0·n

Therefore, the distance between the origin and the plane ÒÏ is given by x0,y0,z0·n, where nis a unit normal vector to the plane ℘

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