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U={1,2,3,4,5,6,7,8,9}, A={1,2,4,7}, B={1,3,5,7} Find A U B and B={1,3,5,7}

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in Sets, Relations and Functions by (20 points)
U={1,2,3,4,5,6,7,8,9}, A={1,2,4,7}, B={1,3,5,7} Find A U B and B={1,3,5,7}
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Given , 

(Universal Set) U = { 1,2,3,4,5,6,7,8,9 }

A = { 1,2,4,7 }

B = { 1,3,5,7 }

Therefore , A U B = { 1,2,3,4,5,7 }

[ Here U represents Union ( U ) . ]


( Note : Dont Write the repeated numbers multiple times,  only write those numbers 1 time ) 


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