Question

解方程：① 3分之1(x-1)²=2分之1(x-1) 解不等式：② 根号3x+2

Answer 1

① 3分之1(x-1)²=2分之1(x-1)

2(x-1)²=3(x-1)

2(x-1)²-3(x-1)=0

(2x-2-3)(x-1)=0

(2x-5)(x-1)=0

x1=5/2 x2=1

② 根号3x+22+√3

x>(2+√3)/(2-√3)

x>(2+√3)(2+√3)/(4-1)

x>7+4√3