If A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}, then which of the following statements is false?
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hartnn (hartnn):
what are your options? :)
OpenStudy (erickmanzo):
Ø A
B B
B A
OpenStudy (mathstudent55):
Something's missing.
OpenStudy (erickmanzo):
whats missing?
hartnn (hartnn):
symbols like
\(\cup, \cap , \in \)
in between?
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OpenStudy (erickmanzo):
Thats how the question is.
hartnn (hartnn):
can you post the screenshot of the question ?
OpenStudy (erickmanzo):
hartnn (hartnn):
\(B \subset A \)
B is the subset of A
do you know what that means?
OpenStudy (erickmanzo):
not really???]
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hartnn (hartnn):
B is the subset of A,
means ALL the elements of B are the part of A also.
for eg: if B = {1,2,3}, A = {1,2,3,4,5}
then we can say B is the subset of A.
hartnn (hartnn):
does that make sense?
OpenStudy (erickmanzo):
yes it does
hartnn (hartnn):
so,
is that true for the given sets A,B ?
hartnn (hartnn):
are 3,5,7,9 ALL part of set A?
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OpenStudy (erickmanzo):
3,5,7,9 are part b
hartnn (hartnn):
and are they part of A too?
OpenStudy (erickmanzo):
just 7
hartnn (hartnn):
ok, so ALL of them are NOT the part of A,
which means
'B is the subset of A'
is FALSE.
OpenStudy (erickmanzo):
semis the answer BcB or BcA
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