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## Homework Statement

i am required to prove whether the following statement is true or false,

## Homework Equations

there exists a metric space (X,d) with B1 contained in B2 contained in

X such that B1=Bo(x1,3), B2=Bo(x2,2), and B2-B1 not equal to the empty set

here Bo denotes the open ball

## The Attempt at a Solution

any hints on how to set about this problem?