Solution Found!
Let R be the unit disk {(x, y): x2+y2 1} with (0, 0)
Chapter 9, Problem 8E(choose chapter or problem)
QUESTION:
Let R be the unit disk \(\left\{(x, y): x^{2}+y^{2} \leq 1\right\}\) with (0,0) removed. Is (0,0) a boundary point of R? Is R open or closed?
Questions & Answers
QUESTION:
Let R be the unit disk \(\left\{(x, y): x^{2}+y^{2} \leq 1\right\}\) with (0,0) removed. Is (0,0) a boundary point of R? Is R open or closed?
ANSWER:Solution 8E
Step 1 :
We given
R be the unit disk {(x, y): x2+y2 ≤ 1} with (0,0) removed.