Question

A = {x: x is a natural number and 1 B = {x:x is a natural number and 6 < x < 10 } . Please give the A U B in roster form

Answer 1

Answer:

The answer for your question is very easy. It's answer is ∆→56∆

Answer 2

Answer:

........A=1

.........B=7

.........AUB={1,7}