about the subset S⊆Q such that x∈S ⇔18x-x^3≧0
Q is set of rational number.
a)how to show S have a maximum or not?
b)how to show S have a minimum or not?
c)how to show S have supremum or not?
d) how to show S have infimum or not?
about the subset S⊆Q such that x∈S ⇔18x-x^3≧0
Q is set of rational number.
a)how to show S have a maximum or not?
b)how to show S have a minimum or not?
c)how to show S have supremum or not?
d) how to show S have infimum or not?