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COMEDK2016MathematicsSets and Relations

A subset of the additive group of real numbers which is not a sub group, is

Options

  1. A(Q,+)
  2. B(N,+)
  3. C(Z,+)
  4. D( 0 ,+)

Correct answer

B. (N,+)

Step-by-step solution

In additive subgroup ' O ' is the identity. So, required set (N,+) which is not a subgroup.

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