9. For each of the following sets, determine whether 2 is an element of that set. a) {x ER|x is an integer greater than 1} b) {xRx is the square of an integer} c) {2,{2}} d) {{2},{{2}}} f) {{{2}}} e) {{2}, {2,{2}}}

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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9. For each of the following sets, determine whether 2 is an
element of that set.
a) {x ER|x is an integer greater than 1}
b) {x ER|x is the square of an integer}
c) {2,{2}}
e) {{2}, {2, {2}}}
d) {{2},{{2}}}
f) {{{2}}}
Transcribed Image Text:9. For each of the following sets, determine whether 2 is an element of that set. a) {x ER|x is an integer greater than 1} b) {x ER|x is the square of an integer} c) {2,{2}} e) {{2}, {2, {2}}} d) {{2},{{2}}} f) {{{2}}}
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