1.已知a>0且a≠1,若函数f(x)=loga (ax²-x)在[3,4]是增函数,则a的取值范围是________.[1/6,1/4)∪(1,+∞)2.△ABC是等腰三角形,∠B=120,则以A,B为焦点且过点C的双曲线的离心率是______(1+√3)/2我错了..第一题
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![1.已知a>0且a≠1,若函数f(x)=loga (ax²-x)在[3,4]是增函数,则a的取值范围是________.[1/6,1/4)∪(1,+∞)2.△ABC是等腰三角形,∠B=120,则以A,B为焦点且过点C的双曲线的离心率是______(1+√3)/2我错了..第一题](/uploads/image/z/4377830-14-0.jpg?t=1.%E5%B7%B2%E7%9F%A5a%3E0%E4%B8%94a%E2%89%A01%2C%E8%8B%A5%E5%87%BD%E6%95%B0f%28x%29%3Dloga+%28ax%26%23178%3B-x%29%E5%9C%A8%5B3%2C4%5D%E6%98%AF%E5%A2%9E%E5%87%BD%E6%95%B0%2C%E5%88%99a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF________.%5B1%2F6%2C1%2F4%29%E2%88%AA%281%2C%2B%E2%88%9E%292.%E2%96%B3ABC%E6%98%AF%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E2%88%A0B%3D120%2C%E5%88%99%E4%BB%A5A%2CB%E4%B8%BA%E7%84%A6%E7%82%B9%E4%B8%94%E8%BF%87%E7%82%B9C%E7%9A%84%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87%E6%98%AF______%281%2B%E2%88%9A3%29%2F2%E6%88%91%E9%94%99%E4%BA%86..%E7%AC%AC%E4%B8%80%E9%A2%98)
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