- #1

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## Homework Statement

Find the Supremum and Infimum of S where,

S = {(1/2n) : n is an integer, but not including 0}

## Homework Equations

## The Attempt at a Solution

Is it right if I got inf{S} = -∞ and sup{S} = ∞

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- Thread starter Rubik
- Start date

- #1

- 97

- 0

Find the Supremum and Infimum of S where,

S = {(1/2n) : n is an integer, but not including 0}

Is it right if I got inf{S} = -∞ and sup{S} = ∞

- #2

Bacle2

Science Advisor

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{1/2,1/4,1/6,.....}

Notice that your values are positive, so that, e.g., -5 is a lower bound. Notice too,

that all the values are smaller than, e.g. 10, so that 10 is an upper bound.

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