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Let f(x)=(1+b2)x2+2bx+1 and m(b) the minimum value of f(x) for a given b. As b varies, the range of m(b) is |
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Answer» Let f(x)=(1+b2)x2+2bx+1 and m(b) the minimum value of f(x) for a given b. As b varies, the range of m(b) is |
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