0 votes 0 votes The number of roots of the polynomial, $s^7+s^6+7s^5+14s^4+31s^3+73s^2+25s+200$, in the open left half of the complex plane is $3$ $4$ $5$ $6$ Complex Variables gate2018-ee complex-variables complex-valued-functions + – Arjun asked Feb 19, 2018 recategorized Mar 10, 2021 by Lakshman Bhaiya Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.