[JEE Advanced 1980] let a 0 b 0 c 0 then both roots of ax 2 bx
Let $a>0,b>0,c>0$. Then both roots of $ax^2+bx+c=0$
(a) are real and negative
(b) have negative real parts
(c) both (a) and (b)
(d) none of these
1 Answer
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· 2d ago
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Correct answer: (b) have negative real parts
With $a,b,c>0$, the sum of roots $-b/a<0$ and product $c/a>0$; whether real or complex, both roots have negative real parts.
JEE Advanced 1980 · Quadratic Equations and Inequations — verified solution by the Vidaara Team.
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