Question

Set. A={1,2, 4,9} B= {1,2, 9,12}
Then an
(B-A) =
​

Answer 1

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Here is your answer

A=(1,2,4,9)

B=(1,2,9,12)

» B-A =(1,2,9,12)-(1,2,4,9)

»12

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