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If A={1,2,4},\ B={2,4,5}a n d\ C={2,5},\...

If `A={1,2,4},\ B={2,4,5}a n d\ C={2,5},\ ` write `(A-C)xx(B-C)dot`

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`A={1,2,4}, B={2,4,5}, C={2,5}`
`A−C={1,4}`
`B−C={4}`
`(A−C)xx(B−C)={1,4}xx{4} ={1,4},{4,4}.`
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