Question

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Answer 1

Step-by-step explanation:

here is your answer...

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Answer 2

Step-by-step explanation:

A = { 1,2,3,4 } , B = { 1,5,7,8,2 } and C = { 1,2,11,10 }

B U C = { 1,5,7,8,2 } U { 1,2,11,10 }

= { 1,5,7,8,2,11,10 }

•

. . A - ( B U C) = { 1,2,3,4} - { 1,5,7,8,2,11,10 }

= { 3,4 }

A - B = { 1,2,3,4 } - { 1,5,7,8,2 }

= { 3,4 }

A - C = { 1,2,3,4 } - { 1,2,11,10 }

= { 3,4 }

•

. . (A - B) n ( A - C) = { 3,4 } n { 3,4 }

= { 3,4 }

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