Question

expand 2+√2^2..??!!!!.........is it rational ........i will mark it as brainlist

Answer 1

yes if it 2+√2^2=2+2=4 Answer





but if it is (2+√2)^2=then its not
bcuz (2+√2)^2=4+2+4√2=6+4√2 is not a rational no

Answer 2

Yes it is a rational number