Question

A=(2,5,7),B= (1,2,3) find AUB??​

Answer 1

Answer:

(1,2,3,5,7)

Step-by-step explanation:

.

Answer 2

Answer:

{1,2,3,5,7}

Step-by-step explanation:

First of all you must give curly braces. As the symbol is union you must write all.Also you don't have to repeat the same element.