Question

find the least upper bound and greatest lower bound is 1).{3,9,12} and 2). {1,2,4,5,10}?

Answer 1

Step-by-step explanation:

Because 1 |3,3 is the greatest lower bound of {3,9, 12). The only lower bound for the set {1, 2, 4, 5, 10} with respect to I is the element 1. Hence, 1 is the greatest lower bound for {1, 2, 4, 5, 10}.

Answer 2

Answer:

An integer is a lower bound of (3,9, 12} if 3, 9, and 12 are divisible by this integer. Examples The only such integers are 1 and 3. Because 1 |3,3 is the greatest lower bound of {3,9, 12). The only lower bound for the set {1, 2, 4, 5, 10} with respect to I is the element 1.

Step-by-step explanation:

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