Question: please type and new answers only. 3. Let A = {1,2,3} and B = {4,5}. a) Find A B b) Find B * A c)

please type and new answers only. 3. Let A = {1,2,3}
and B = {4,5}. a) Find A B b) Find B *
please type and new answers only.

3. Let A = {1,2,3} and B = {4,5}. a) Find A B b) Find B * A c) Find B x B d) How many elements do each of the above sets have

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