COMEDK · Maths · 20. Sets and Relations
A subset of the additive group of real numbers which is not a sub group, is
- A \((Q,+)\)
- B \((N,+)\)
- C \((Z,+)\)
- D \((\{0\},+)\)
Answer & Solution
Correct Answer
(B) \((N,+)\)
Step-by-step Solution
Detailed explanation
In additive subgroup ' \(O\) ' is the identity. So, required set \((N,+)\) which is not a subgroup.
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