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KCET2007MathematicsMathematical Reasoning

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

Options

  1. A2
  2. B1
  3. C9
  4. D0

Correct answer

B. 1

Step-by-step solution

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

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