(a) Let be the subgroup of consisting of those permutations that fix the letters and . For each of the following pairs of elements of , determine whether or not they belong to the same left -coset.
Do and belong to the same left -coset?
Yes
No
Do and belong to the same left -coset?
Yes
No
(b) Let be the subgroup of generated by and . For each of the following pairs of elements of , determine whether or not they belong to the same left -coset.
Do and belong to the same left -coset?
Yes
No
Do and belong to the same left -coset?
Yes
No
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