Discussion :: GATE Mathematics
- Which of the following subsets of â„2 is NOT compact?
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A.
{(x,y) ∈ â„2 : -1 ≤ x ≤ 1, y = sinx}
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B.
{(x,y) ∈ â„2 : -1 ≤ y ≤ 1, y = x8 - x3 - 1}
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C.
{(x,y) ∈ â„2 : y = 0, sin(ex) = 0}
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D.
{(x,y) ∈ â„2 : x > 0, y = sin(1/x)}â‹‚{(x,y) ∈ â„2 : x > 0, y = 1/x}
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Answer : Option C
Explanation :
-NA-
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