In each case determine if M is an free A-module. I such a case give a basis.

a) , as submodule of

b) A is a conmutative ring, , with the action for all

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- Nov 7th 2008, 10:04 PMroporteFree modules
In each case determine if M is an free A-module. I such a case give a basis.

a) , as submodule of

b) A is a conmutative ring, , with the action for all - Nov 8th 2008, 12:34 AMNonCommAlg