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COMEDK2020MathematicsSets and Relations

A group (G *) has 10 elements. The minimum number of elements of G , which are their own inverses is

Options

  1. A1
  2. B2
  3. C0
  4. D9

Correct answer

A. 1

Step-by-step solution

Since, identity element is its own inverse. So, minimum number of element is 1 .

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