1-.已知x^1/2+x^(-1/2)=3,求下列式的值(1)x+x^(-1) (2)x^3/2+x^(-3/2)+2 / x²+x^(-2)+32-.已知函数f(x)=loga(x+b)的图像如图所示,且g(x)=a^x+b(1).求a与b的值(2)试证明函数h(x)=-b/x+a在区间(-∞,0)上为单调数(3)讨论
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![1-.已知x^1/2+x^(-1/2)=3,求下列式的值(1)x+x^(-1) (2)x^3/2+x^(-3/2)+2 / x²+x^(-2)+32-.已知函数f(x)=loga(x+b)的图像如图所示,且g(x)=a^x+b(1).求a与b的值(2)试证明函数h(x)=-b/x+a在区间(-∞,0)上为单调数(3)讨论](/uploads/image/z/6995197-37-7.jpg?t=1-.%E5%B7%B2%E7%9F%A5x%5E1%2F2%2Bx%5E%28-1%2F2%29%3D3%2C%E6%B1%82%E4%B8%8B%E5%88%97%E5%BC%8F%E7%9A%84%E5%80%BC%281%29x%2Bx%5E%28-1%29+%282%29x%5E3%2F2%2Bx%5E%28-3%2F2%29%2B2++%2F++x%26%23178%3B%2Bx%5E%28-2%29%2B32-.%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dloga%28x%2Bb%29%E7%9A%84%E5%9B%BE%E5%83%8F%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%94g%28x%29%3Da%5Ex%2Bb%281%29.%E6%B1%82a%E4%B8%8Eb%E7%9A%84%E5%80%BC%282%29%E8%AF%95%E8%AF%81%E6%98%8E%E5%87%BD%E6%95%B0h%28x%29%3D-b%2Fx%2Ba%E5%9C%A8%E5%8C%BA%E9%97%B4%28-%E2%88%9E%2C0%29%E4%B8%8A%E4%B8%BA%E5%8D%95%E8%B0%83%E6%95%B0%283%29%E8%AE%A8%E8%AE%BA)
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