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A. {5,2,7,...}
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B. { }
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C. {1,2,3,...}
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D. {0,1,2,3,...}
Explanation
In mathematics, the natural numbers are those numbers used for counting and ordering.
Numbers used for counting are called cardinal numbers, and numbers used for ordering are called ordinal numbers.
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A. All of the above
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B. Circled bracket
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C. Parenthesis
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D. Curved brackets
Explanation
( ) is commonly referred to as Parenthesis.
But it is also known as Circled bracket or Curved brackets.
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A. Subgroup
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B. Abelian group
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C. Semi group
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D. Cyclic group
Explanation
- The set of complex numbers {1, i, -i, -1} under multiplication operation is a cyclic group.
- Two generators i and -i will covers all the elements of this group.
- Hence, it is a cyclic group.
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A. [ 0,1 ]
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B. ] 0,1 [
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C. [0,1 [
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D. ] 0,1]
Explanation
The set of limit points of the open interval ]0,1[ in the real line R is the closed interval [0,1].
This is because every point in [0,1] is a limit point of ]0,1[, as every neighborhood of each point in [0,1] contains a point in ]0,1[.
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