Question
Given $l x^{2}-m x+5=0$ does not have two distinct real roots, the minimum value of $5 l+m$ is(A) 5(B) $-5$(C) 1(D) $-1$
Step 1
For this equation to not have two distinct real roots, the discriminant must be less than or equal to zero. The discriminant of a quadratic equation $ax^2 + bx + c = 0$ is given by $b^2 - 4ac$. Show more…
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Given $l x^{2}-m x+5=0$ does not have two distinct real roots, the minimum value of $5 l+m$ is (A) 5 (B) $-5$ (C) 1 (D) $-1$
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