KCET · Maths · Mathematical Reasoning
Which one of the following is not true?
- A Inverse of an element in a group is unique.
- B Fourth roots of unity form an additive abelian group.
- C Cancellation laws hold in a group.
- D Identity element in a group is unique.
Answer & Solution
Correct Answer
(B) Fourth roots of unity form an additive abelian group.
Step-by-step Solution
Detailed explanation
Fourth roots of unity form an additive abelian group is not true because 0 is not exist.
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