已知函数f(x)=2^x-1/(2^|x|).(1)若f(x)=2,求x的值 (2)若2^t*f(2t)+mf(t)≥0对于t∈[1,2]恒成立,求实数m的取值范围.
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![已知函数f(x)=2^x-1/(2^|x|).(1)若f(x)=2,求x的值 (2)若2^t*f(2t)+mf(t)≥0对于t∈[1,2]恒成立,求实数m的取值范围.](/uploads/image/z/12883671-63-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D2%5Ex-1%2F%EF%BC%882%5E%7Cx%7C%EF%BC%89.%EF%BC%881%EF%BC%89%E8%8B%A5f%28x%29%3D2%2C%E6%B1%82x%E7%9A%84%E5%80%BC+%EF%BC%882%EF%BC%89%E8%8B%A52%5Et%2Af%EF%BC%882t%EF%BC%89%2Bmf%EF%BC%88t%EF%BC%89%E2%89%A50%E5%AF%B9%E4%BA%8Et%E2%88%88%5B1%2C2%5D%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.)
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