(5) Consider the plane defined by x+y+z+5= 0. Let (ro, Yo, zo) be an arbitrary point in R³ and let (2*, y, z) be the point in the plane that is closest to (zo. yo. 2o). (a) Using optimization, show that the distance D between (ro, yo, 2o) and (x, y, z) is given by co + yo +20 + 51 D(10:30, 20) (b) Using the above, compute the minimum distance between the plane and the curve defined by x² + y² = 2; 2 = 0.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(5) Consider the plane defined by
r+ y + z +5 = 0.
Let (ro, Yo, 2o) be an arbitrary point in R and let (r*, y", z*) be the point in the
plane that is closest to (ro, Yo, 20).
(a) Using optimization, show that the distance D between (ro, Yo, zo) and (x*, y", 2*)
is given by
JTo + Yo + 20 + 5|
V3
D(ro: Yo: 20)
(b) Using the above, compute the minimum distance between the plane and the
curve defined by
a2 + y? = 2; z = 0.
Transcribed Image Text:(5) Consider the plane defined by r+ y + z +5 = 0. Let (ro, Yo, 2o) be an arbitrary point in R and let (r*, y", z*) be the point in the plane that is closest to (ro, Yo, 20). (a) Using optimization, show that the distance D between (ro, Yo, zo) and (x*, y", 2*) is given by JTo + Yo + 20 + 5| V3 D(ro: Yo: 20) (b) Using the above, compute the minimum distance between the plane and the curve defined by a2 + y? = 2; z = 0.
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