Question

If P = { 2, 3, 5, 7, 11 } and Q = { 1, 3, 5, 11 } find A ∆ B​

Answer 1

Answer:

11

Step-by-step explanation:

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Answer 2

Answer:

A∆B={1,2,7}

Step-by-step explanation:

A∆B=(A-B)U(B-A)

A∆B=({2,3,5,7,11}-{1,3,5,11})U({1,3,5,11}-{2,3,5,7,11})

={2,7}U{1}

AUB={1,2,7}

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