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ZX-D2E874788Cone variable and systems of equations in two variables · 第 37 题
one variable and systems of equations in two variables · 原库模块 1 · Q37 原库参考解析
64x2 + bx + 25 = 0
In the given equation, b is a constant. For which of the following values of b will the equation have more than one real solution?
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