Explanation
No. of generators of an infinite cyclic group = 2 [Property of cyclic group]
Inverse axiom is not satisfied. Only non-singular matrices have multiplicative inverse.
It is obvious
Since, in a group, there must be an identity element.
Also, it is its own inverse.
Therefore, minimum number of elements of G, which
are their own inverse = 1.
Property of group
Since, no other subset contains the identity clement and they are not closed under the binary operation of addition modulo 6.
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