Question: please help Let A={5,8}, B={p,q}C={r,v} How many elements are in AB ? How many elements are in BC ? How many elements are in ABC

please help

ABC ? Determine ABC Let A={a,b,c},B={1,2,3} How many elements are in AB

Let A={5,8}, B={p,q}C={r,v} How many elements are in AB ? How many elements are in BC ? How many elements are in ABC ? Determine ABC Let A={a,b,c},B={1,2,3} How many elements are in AB ? Determine AB [Note: Enter your answer as a comma-separated list. Pairs should be denoted with parentheses.] A={4,6,8},B={5,6} Check ALL of the following Cartesian products to which the following elements belong: (b) (6,4) A. BA B. AB C. BB D. AA (c) (4,4) A. AA B. AB C. BA D. BB (d) (6,6) A. AB B. AA C. BA D. BB (a) (4,5) A. AB B. AA C. BB D. BA

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