Question

if A={2,3,5,7,9,10} B={2,10,12,13} then a-b is​

Answer 1

A = {2,3,5,7,9,10}

B = {2,10,12,13}

A-B = ?

Now,

A-B = {2,3,5,7,9,10} - {2,10,12,13}

= {3,5,7,9}

I hope you understand...

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