9. Let X and Y be two Tz spaces, then XxY is: * (1 Point) not necessarily T, T, but not necessarily Tz O T, but not nece

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9 Let X And Y Be Two Tz Spaces Then Xxy Is 1 Point Not Necessarily T T But Not Necessarily Tz O T But Not Nece 1 (91.41 KiB) Viewed 72 times

9. Let X and Y be two Tz spaces, then XxY is: * (1 Point) not necessarily T, T, but not necessarily Tz O T, but not necessarily Tz T3 10. Which of the following subsets of R2 is compact * (1 Point) the region X2+y2>1 the disc x2+y2=1 the region X2+y221 the disc X2+y21 O [0,1]x[0,2)