Question

Let X and Y be the two sets expressed as X={x: x is a natural number and multiple of 3} and Y= {x : x is a natural number less than 6}. Find X U Y

Answer 1

Answer:

Set M = { x : x is a natural number and a multiple of 3 }

=> M = { 3, 6, 9, 12, 15, ... }

Set N = { x : x is a prime number less than 19 }

=> N = { 2, 3, 5, 7, 11, 13, 17 }

So M ∪ N will be = { 2, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, .... }

Hope it helped !

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