x+5/(x-1)²≥2(x-1)²作为分母是大于0的所以化简得:x+5≥2(x-1)²x+5≥2x²-4x+22x²-5x-3≤0(2x+1)(x-3)≤0-1/2≤x≤3且x-1≠0x≠1所以解集为[-1/2,1)∪(1,3]
x+5/(x-1)^2>=2x+5>=2(x-1)^2x+5>=2x^2-4x+22x^2*5x-3<=0(2x+1)(x-3)<=0-1/2<=x<=3即不等式的解集是x大于等于-1/2且小于等于3