Question

if a={1,4,5,6,7};b={{1,2,3,4,5} then find a-b b-a​

Answer 1

Answer:

Can you please elaborate/explain the question

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Answer 2

Answer:

a= {1,4,5,6,7}

b= {1,2,3,4,5}

a-b = {6,7}

b-a= {2,3}