[(raiz de 3) + 2 / (raiz de 3) - 2] + [(raiz de 3) - 2 / (raiz de 3) + 2]
resposta = -14
(√3 + 2)/(√3 -2) + (√3 -2) / (√3 +2) =
[ (√3+2)(√3+2)+(√3-2)(√3-2) ] / (√3+2)(√3-2) =
( √3² + 4√3 + 4 + √3² - 4√3 + 4)/(√3² - 4 ) =
(3 + 4 + 3 + 4)/(3-4)=
14/-1 =
-14
2 (RAIZ DE 3)
Comments
(√3 + 2)/(√3 -2) + (√3 -2) / (√3 +2) =
[ (√3+2)(√3+2)+(√3-2)(√3-2) ] / (√3+2)(√3-2) =
( √3² + 4√3 + 4 + √3² - 4√3 + 4)/(√3² - 4 ) =
(3 + 4 + 3 + 4)/(3-4)=
14/-1 =
-14
2 (RAIZ DE 3)