1- Find the set of lower bounds and the set of upper bounds of the following sets in R, if it exists. i) (0, a), (a,0], [0, a), [a, 0] where a E R, i) A = {-1,---.}, E Z\{0}, iii) B =

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1- Find the set of lower bounds and the set of upper bounds of the following
sets in R, if it exists.
i) (0, a), (a,0], [0, a) , [a, 0] where a e R,
i) A = {-1,-},-},--..},
ii) B = {; x € Z\{0}},
iv) N, Z,Q.
%3D
Transcribed Image Text:1- Find the set of lower bounds and the set of upper bounds of the following sets in R, if it exists. i) (0, a), (a,0], [0, a) , [a, 0] where a e R, i) A = {-1,-},-},--..}, ii) B = {; x € Z\{0}}, iv) N, Z,Q. %3D
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