Math, asked by av60464, 8 hours ago

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Answered by archanasukumar033
1

Answer:

A={2,3,4,5,6,7,etc}

B={3,2,1}

symmetric difference of A & B is=(A-B) union (B-A)

Step-by-step explanation:

A-B ={4,5,6,7etc}

B-A={1}

(A-B) union (B-A)={1,4,5,6,7etc}

A-B means, The numbers which are present only in A and not in B. like that,B-A means the numbers which are present only in B and not in A.

union means all numbers present

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