解不等式2loga(x-1)≥loga(ax+1)(a>1)

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解不等式2loga(x-1)≥loga(ax+1)(a>1)解不等式2loga(x-1)≥loga(ax+1)(a>1)解不等式2loga(x-1)≥loga(ax+1)(a>1)2log(x-1)≥

解不等式2loga(x-1)≥loga(ax+1)(a>1)
解不等式2loga(x-1)≥loga(ax+1)(a>1)

解不等式2loga(x-1)≥loga(ax+1)(a>1)
2log(x-1)≥log(ax+1)
log(x-1)^2≥log(ax+1)
x≠1 and ax+1 >0 and (x-1)^2 ≥ ax+1
x≠1 and x> 1/a and x^2 - (2+a)x ≥0
x≠1 and x> 1/a and "x≤0 or x≥ 1/(2+a)"
ie x>1/a