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Manipal MET2018MathematicsSets and Relations

In the group [G= 0,1,2,3,4 , X₅ ] the inverse of (2 5⁻¹ ) is

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

B. 1

Step-by-step solution

Since, 2 ₅ 2⁻¹= Identity element 1 Therefore, (2 ₅ 2⁻¹ )⁻¹=1

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