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JEE Quadratic Equations 2

Algebra Level 4

If all the three roots of $az^3+bz^2+cz+d=0$ have negative real parts $(a,b,c\in R)$ , then

This problem is a part of My picks for JEE 2

\ bc>0

\ ab>0

\ ad>0

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by Pranjal Jain

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