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Let A={1,2,3,5,9,7} and B={1,2,3,4,5,6,7...

Let A={1,2,3,5,9,7} and B={1,2,3,4,5,6,7,8,9,10}, show that `A subset B=B`

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A={1,2,3,5,9,7}
B={1,2,3,4,5,6,7,8,9,10}
`A cup B={1,2,3,4,5,6,7,8,9,10}=
=B
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