If the equation

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

If the equation (1+m)x2−2(1+3m)x+(1+8m)=0(1+m)x^2-2(1+3m)x+(1+8m)=0, where m∈R∖{−1}m\in\mathbb{R}\setminus\{-1\}, has at least one negative root, then (1) m∈(−∞,−1)m\in(-\infty,-1) (2) m∈(−1,−18)m\in\left(-1,-\frac18\right) (3) m∈(−18,∞)m\in\left(-\frac18,\infty\right) (4) m∈Rm\in\mathbb{R}

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