解方程和不等式

问题描述:

解方程和不等式
(1)根号3(x-根号3)=3 (2)(根号2-根号5)x>3
(3)根号3(1-2根号2)x=-2根号2 (4)根号8x+4根号3>2根号3x

(1)根号3(x-根号3)=3 x-√3=√3;x=2√3;(2)(根号2-根号5)x>3 x<3/(√2-√5)=3(√2+√5)/(2-5)=-(√5+√2);(3)根号3(1-2根号2)x=-2根号2x=-2√2/√3(1-2√2)=-2√6(1+2√2)/3(1-2√2)(1+2√2)=-2(√6+4...