Let 1= {Ø}U{USR:NS U},-n+3A =Аn2 +1:n EN, and B= [0, 0). Thenin the topological space (X, 1)O a. A=A and Int(B)= (0, ∞)O b. A = R and Int(B)= BO c. A = A and Int(B)= N||O d. A=A and Int(B)= BO e. A= R and Int(B)= N

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Let 1={Ø}U{UER:NC U}, -n+3 ). A = :n EN and B = [0, ∞). Then n+1 in the topological space (X, 1) O a. A=A and Int(B)= (0, 0) %3D O b. A= R and Int(B)= B O c. A=A and Int(B)=N || - O d. A=A and Int(B)= B O e. A= R and Int(B)=N

Let 1={Ø}U{UER:NC U}, -n+3 ). A = :n EN and B = [0, ∞). Then n+1 in the topological space (X, 1) O a. A=A and Int(B)= (0, 0) %3D O b. A= R and Int(B)= B O c. A=A and Int(B)=N || - O d. A=A and Int(B)= B O e. A= R and Int(B)=N

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Let 1= {Ø}U{USR:NS U},
-n+3
A =
А
n2 +1
:n EN, and B= [0, 0). Then
in the topological space (X, 1)
O a. A=A and Int(B)= (0, ∞)
O b. A = R and Int(B)= B
O c. A = A and Int(B)= N
||
O d. A=A and Int(B)= B
O e. A= R and Int(B)= N

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