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Let a,b,c be real numbers with a ≠ 0. Suppose a and 4a + 3b + 2c have the same sign. Then equation ax2 + bx + c = 0 cannot have both the roots in the interval. |
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Answer» Let a,b,c be real numbers with a ≠ 0. Suppose a and 4a + 3b + 2c have the same sign. Then |
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