Question

If A = { 1,3,5,7,9} and B = { 2,3,5,7,11}, then find A∆ B. 2mark​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

{1,2,9,11}

Step-by-step explanation:

Given:

A = { 1,3,5,7,9}

B = { 2,3,5,7,11}

To Find:

A∆ B

Solution:

A = { 1,3,5,7,9}

B = { 2,3,5,7,11}

A - B = {1,9 } and B - A = { 2,11}

A ∆ B = (A − B) ∪ (B - A )  

= {1,9} ∪ {2,11 }  ={1,2,9,11}

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