1) If CI(A)= Int B = (1,4) for some subsets A,B of [0,6].Then ([0,6],T) is: A)disconnected B) connected C) second countable D)separable 2) The following is a first countable space: A) (R, Tcot) B) ([0,1],Tcoc) C) (R,Tdis) D) (R-Q, Tcot) 3) The following is a second countable space: A) (R, Tcot) B) (Q ,Tcot) C) (R,Tdis) D) (R-Q, Tcoc)

1) If CI(A)= Int B = (1,4) for some subsets A,B of [0,6].Then ([0,6],T) is: A)disconnected B) connected C) second countable D)separable 2) The following is a first countable space: A) (R, Tcot) B) ([0,1],Tcoc) C) (R,Tdis) D) (R-Q, Tcot) 3) The following is a second countable space: A) (R, Tcot) B) (Q ,Tcot) C) (R,Tdis) D) (R-Q, Tcoc)

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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1) If CI(A)= Int B = (1,4) for some subsets A,B of [0,6].Then ([0,6],T) is: A)disconnected B) connected C) second countable D)separable 2) The following is a first countable space: A) (R, Tcot) B) ([0,1],Tcoc) C) (R,Tdis) D) (R-Q, Tcot) 3) The following is a second countable space: A) (R, Tcof) B) (Q ,Tcot) C) (R,Tdis) D) (R-Q, Tcoc)
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