Question

The number(3_root3)(3+root3) is
1.irrational no.
2. rational no.
3. not a natural no.
4. none of these

Answer 1

$(3 - \sqrt{3} )(3 + \sqrt{3} ) \: is \: a \: rational \: number.$

Answer 2

PLEASE FOLLOW ME AND MARK ME BRAINLIST YOU MARK I WILL MOVE FOR NEXT RANK I NEED ONLY TWO BRAINLIST ANSWERS PLEASE HELP ME