Question

qual a racionalizaçao de 4/√2-6

Answer 1

4/√2  - 6 = 4√2  + 6   / )√2  -  6) (√2 + 6  ) = 4  √ 2 + 6  /  √4 - 36  + 6√2 - 6√2=
4 √2 + 6 / 2 - 36 = 4 √2 + 6 / - 34   = 2√2 + 6/ -17