Find the distance between the point and the line given by the set of parametric equations. (Round your answer to three decimal places.)
(6, -4, 1); x = 2t, y = t − 3, z = 2t + 2
Find the distance between the point and the plane. (Round your answer to three decimal places.)
(3, 2, 5)
x − y + 2z = 10
Consider the following planes.
5x + 2y − z = 22
x − 4y + 2z = 0
Consider the following planes.
5x + 2y − z = 22
x − 4y + 2z = 0
(a) Find the angle between the two planes. (Round your answer to two decimal places.)
(b) Find a set of parametric equations for the line of intersection of the planes. (Use t for the parameter. Enter your answers as a comma-separated list of equations.)



Answer :

Distance between point and line = [tex]\frac{\sqrt{261} }{3}[/tex]

Distance

  • The distance between two points is the length of the line joining the two points.
  • If the two points lie on the same horizontal or same vertical line, the distance can be found by subtracting the coordinates that are not the same.

Given that,

Given point (6, -4 , 1)

Given equation of line

x = 2t, y = t − 3, z = 2t + 2

The directional vector of the given line is

<2 , 1 , 2> at t =0 the point <0, -3 , 2> is on the line.

Distance between point and line

= | < 0-6, -3 + 4 , 2-1 > x <2 , 1, 2>|  / [tex]\sqrt{2^{2} + 1^{2} + 2^{2}[/tex]

= |<-6 , 1 , 1> x <2 , 1 , 2 >| / [tex]\sqrt{9}[/tex]

<-6 , 1 , 1 > x < 2, 1, 2 > = (2 - 1)i - (-12 -2) j + (-6 -2) k

                                    = i + 14 j - 8k

|<-6 , 1 , 1> x < 2, 1, 2>| = [tex]\sqrt{1^{2} + 14^{2} + -8^{2} }[/tex]

                                    = [tex]\sqrt{261}[/tex]

Hence , distance between the point and line = [tex]\frac{\sqrt{261} }{3}[/tex]

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