Question

Me ajudem!! por favoe​

Answer 1

Resposta:

1) 5/√ 5. √ 5/√ 5 = 5√ 5/√ 25 = 5 √5/5= √ 5

2) 1/√ 11. √ 11/√ 11 = √ 11 /√ 121 = √ 11 /11

3) 2 /√X. √ x/√X = 2 √ X /√ x² = 2 √x/x

4) 5/ √ 5 - √ 3 = √ 5 + √ 3 / √ 5 - √ 3=

5 √ 5+5 √ 3 /√ 25 - √ 9=

5 √ 5 + 5 √ 3/ √ 25 - √9 = 5 √ 5 +5 √ 3 / 2