In class, we had computed multiplicative inverses of elements in Z7. Find the multiplicative inverses of all elements in Z23.
a) 1/2, 1/3, 1/4, . . . , 1/22
b) 1, 4, 9, . . . , 22
c) 1, 6, 11, . . . , 21
d) 0. 5, 0. 25, 0. 125, . . . , 0. 0435