Question

racionalize os radicais a) 6/√10 b) 1/2√8

Answer 1

a) 6 /√10 . √10 /√10 =
6√10 / √100=
6√10 / 10
b) 1 / 2√8 . 2√8 / 2√8=
2√8 / 4√64=
2√8 / 4 . 8=
2√8 ÷2 / 32 ÷ 2=
√8 / 16