二次根式计算题,分母有理化X/(200+X) =根号3/3_数学解答

二次根式计算题,分母有理化
X/(200+X) =根号3/3

人气：206 ℃　时间：2020-05-23 22:15:45

解答

X/(200+X) =根号3/3
1-X/(200+X) =1-根号3/3
200/(200+X) =1-根号3/3
(200+X) =200/(1-根号3/3 )
x=200-200/(1-根号3/3 )=200-600/(3-根号3)=200-100*(3+根号3)=-100-100*根号3