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  3. 1) show that if a is an open set in r and k ∈

1) Show that if A is an open set in R and k ∈ R...

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Advance Math

1) Show that if A is an open set in R and k ∈ R \ {0}, then theset kA = {ka | a ∈ A} is open.

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1 Given is an open set and To show that open we need to show that every point of is an    See Answer
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