Question

A and B are two sets then (A - B) U (B - A) U (A n B) = _____
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

1,2,3,4,5

Step-by-step explanation:

LETS ASSUME THAT->

SET A CONTAINS (1,2,3)

SET B CONTAINS(3,4,5)

THEN 1. (A-B) = ((1,2,3) - (3,4,5))

//subtract set B from A

which means subtract

number which is in A from B

in this case 3 from B is in A

therefore, 1,2,3 - 3 = 1,2

NOW 2. (B-A) = ((3,4,5) - (1,2,3))

//subtract set A from B

which means subtract

number which is in B from A

in this case 3 from A is in B

therefore, 3,4,5 - 3 = 4,5

NOW 3. (A n B) = ((1,2,3) n (3,4,5))

//common number which is

in both A and B set in this case

3 therefore (A n B) = 3

now put whole equation together

(A-B) U (B-A) U (A n B)

(1,2) U (4,5) U ( 3)

= 1,2,3,4,5

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