Question

If A={a, b, C, d, e, f, g, h} and B={d, f, I, j}, find 1.AUB 2.A-B 3.B-A
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Answer 1

Answer:

1. AUB = {a,b,C,d,e,f,g,h,I,j}

2. A-B = {a,b,C,e,g,h}

3. B-A = {I,j}

hope this will help you.

Answer 2

given A={a, b, C, d, e, f, g, h} and B={d, f, I, j},

1.AUB={a, b, C, d, e, f, g, h, I, j},

2.A-B={a, b, C, d, e, f, g, h}- {d, f, I, j},

2.A-B={a, b, C, e, g, h}

3.B-A={ I, j}