Question

If A= { x : x = 2n, n ≤ 5, ∈ } and B = { x : x = 4n, n ≤ 3, ∈ } Find A − B and A ∩ .

Answer 1

Answer:

Step-by-step explanation:

A {2,4,6,8,10 }     B{ 4,8,12}

A-B is that element on a not on b so remove the elements which are same on both a&b

A∩B IS THAT ELEMENT ON THE BOTH SETS SHOULD WRITE SO REMOVE THE ELEMENTS A WHICH ARE NOT IN B

A-B=    {2,6,10 }

A ∩ B = {2,4,6,8,10,12}  

A  ∩ A-B=   {2,6,10 } THATS ALL