4. Show that is open in P3 X := {(x, y, z) € R³ : x + y + z ‡ 1}
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.3: Maxima And Minima
Problem 27E
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![4. Show that
is open in R³.
X := {(x, y, z) = R³ : x+y+z‡# 1}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2e948f6-fd6f-485f-942e-c931230f8579%2F5452bf95-04f1-4852-8adb-2bceac227fb7%2F6vo7du_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. Show that
is open in R³.
X := {(x, y, z) = R³ : x+y+z‡# 1}
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