解一元二次不等式:-X^2+2X-2/3>0
问题描述:
解一元二次不等式:-X^2+2X-2/3>0
答
x²-2xx²-2x+1(x-1)²∴-√3/3
解一元二次不等式:-X^2+2X-2/3>0
x²-2xx²-2x+1(x-1)²∴-√3/3