Question: (a) Find x in (Ug, ) where x 1, x 7 but x = x-1. (b) Find x in (U16, ) where x

(a) Find x in (Ug, ∙) where x ≠ 1, x ≠ 7 but x = x-1.
(b) Find x in (U16, ∙) where x ≠ 1, x ≠ 15 but x = x-1.
(c) Let k ∈ Z+, k ≥ 3. Find x in (U2k, ∙) where x ≠ 1, x ≠ 2k - 1 but x = x-1.

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a In U 8 we have 3 2 1 so 3 3 1 and 52 1 so 5 5 1 b In U ... View full answer

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