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how many 1 dimensional subspaces of Z_3^3 are there?
Z_3^3 has 3^3 = 27 vectors
26 of which are non zero
then we can say v and 2v have the same span and so there are in fact 13 1 dimensional subspaces. is this true?
Z_3^3 has 3^3 = 27 vectors
26 of which are non zero
then we can say v and 2v have the same span and so there are in fact 13 1 dimensional subspaces. is this true?