Question

Please help me ?
If A = {1, 3, 5} and B = {1, 2, 3, 4, 5, 6} then A ∪ B

Answer 1

A U B means all of those number in A and B.

Answer 2

The union of two sets is defined as follows:\[A\cup B=\left\{x:x\in A\text{ or }x\in B\right\}.\]

Answer 3

got it?

Answer 4

yes, thanks !