1.方程 2^(-2)+x^2=3的实数解的个数为____.2.设函数F(x)=lnx,g(x)=ax+b/x.函数F(x)的图像与x轴的交点也在函数g(x)上,且此点有共切线.第一个不是X^(-2)+x^2=3第二个是求 g(x)
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![1.方程 2^(-2)+x^2=3的实数解的个数为____.2.设函数F(x)=lnx,g(x)=ax+b/x.函数F(x)的图像与x轴的交点也在函数g(x)上,且此点有共切线.第一个不是X^(-2)+x^2=3第二个是求 g(x)](/uploads/image/z/10883680-16-0.jpg?t=1.%E6%96%B9%E7%A8%8B+2%5E%28-2%29%2Bx%5E2%3D3%E7%9A%84%E5%AE%9E%E6%95%B0%E8%A7%A3%E7%9A%84%E4%B8%AA%E6%95%B0%E4%B8%BA____.2.%E8%AE%BE%E5%87%BD%E6%95%B0F%28x%29%3Dlnx%2Cg%28x%29%3Dax%2Bb%2Fx.%E5%87%BD%E6%95%B0F%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B9%9F%E5%9C%A8%E5%87%BD%E6%95%B0g%28x%29%E4%B8%8A%2C%E4%B8%94%E6%AD%A4%E7%82%B9%E6%9C%89%E5%85%B1%E5%88%87%E7%BA%BF.%E7%AC%AC%E4%B8%80%E4%B8%AA%E4%B8%8D%E6%98%AFX%5E%28-2%29%2Bx%5E2%3D3%E7%AC%AC%E4%BA%8C%E4%B8%AA%E6%98%AF%E6%B1%82+g%EF%BC%88x%EF%BC%89)
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