解不等式：（x²-4x+1）/（3x²-7x+2）≥1
问题描述：
解不等式：（x²-4x+1）/（3x²-7x+2）≥1
答
（x^2-4x+1）/（3x^2-7x+2）≥1
x^2-4x+1≥3x^2-7x+2
0≥2x^2-3x+1
0≥(2x-1)(x-1)
1≥x≥1/2