已知幂函数f(x)=x^(1/(m^2+m)) (m∈N*).1.试确定该函数的定义域,并指明该函数在其定义域上的单调性2.若函数还经过(2,2根号2),试确定m的值并满足f(2-a)>f(a-1)的实数a的取值范围
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![已知幂函数f(x)=x^(1/(m^2+m)) (m∈N*).1.试确定该函数的定义域,并指明该函数在其定义域上的单调性2.若函数还经过(2,2根号2),试确定m的值并满足f(2-a)>f(a-1)的实数a的取值范围](/uploads/image/z/2114822-38-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%B9%82%E5%87%BD%E6%95%B0f%28x%29%3Dx%5E%281%2F%28m%5E2%2Bm%29%29+%28m%E2%88%88N%2A%29.1.%E8%AF%95%E7%A1%AE%E5%AE%9A%E8%AF%A5%E5%87%BD%E6%95%B0%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%2C%E5%B9%B6%E6%8C%87%E6%98%8E%E8%AF%A5%E5%87%BD%E6%95%B0%E5%9C%A8%E5%85%B6%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%8A%E7%9A%84%E5%8D%95%E8%B0%83%E6%80%A72.%E8%8B%A5%E5%87%BD%E6%95%B0%E8%BF%98%E7%BB%8F%E8%BF%87%282%2C2%E6%A0%B9%E5%8F%B72%29%2C%E8%AF%95%E7%A1%AE%E5%AE%9Am%E7%9A%84%E5%80%BC%E5%B9%B6%E6%BB%A1%E8%B6%B3f%282-a%29%3Ef%28a-1%29%E7%9A%84%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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