作业帮方程=0有唯一解 (26 13:27:53)已知函数f(x)=log3( (mx^2+8x+n)/(x^2+1) ) 的定义域为R ,值域为[0,2],求m,n的值f(x)=log3((mx^2+8x+n)/(x^2+1)) 值域为[0,2] 0
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![方程=0有唯一解 (26 13:27:53)已知函数f(x)=log3( (mx^2+8x+n)/(x^2+1) ) 的定义域为R ,值域为[0,2],求m,n的值f(x)=log3((mx^2+8x+n)/(x^2+1)) 值域为[0,2] 0](/uploads/image/z/11956463-71-3.jpg?t=%E6%96%B9%E7%A8%8B%3D0%E6%9C%89%E5%94%AF%E4%B8%80%E8%A7%A3+%2826+13%3A27%3A53%29%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dlog3%28+%28mx%5E2%2B8x%2Bn%29%2F%28x%5E2%2B1%29+%29+%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BAR+%2C%E5%80%BC%E5%9F%9F%E4%B8%BA%5B0%2C2%5D%2C%E6%B1%82m%2Cn%E7%9A%84%E5%80%BCf%28x%29%3Dlog3%28%28mx%5E2%2B8x%2Bn%29%2F%28x%5E2%2B1%29%29+%E5%80%BC%E5%9F%9F%E4%B8%BA%5B0%2C2%5D+0)
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方程=0有唯一解 (26 13:27:53)已知函数f(x)=log3( (mx^2+8x+n)/(x^2+1) ) 的定义域为R ,值域为[0,2],求m,n的值f(x)=log3((mx^2+8x+n)/(x^2+1)) 值域为[0,2] 0
方程=0有唯一解 (26 13:27:53)
已知函数f(x)=log3( (mx^2+8x+n)/(x^2+1) ) 的定义域为R ,值域为[0,2],
求m,n的值f(x)=log3((mx^2+8x+n)/(x^2+1)) 值域为[0,2]
0
方程=0有唯一解 (26 13:27:53)已知函数f(x)=log3( (mx^2+8x+n)/(x^2+1) ) 的定义域为R ,值域为[0,2],求m,n的值f(x)=log3((mx^2+8x+n)/(x^2+1)) 值域为[0,2] 0
当计算到(1-m)x*x-8x-n+1