NDA Math Quadratic Equations and Inequations

(B) Given px ‌2 + qx+ r=0 (where p , q ,r all are positive) a and b are distinct real roots
a+b = −

q

p

⇒a+b<0 …(i)
ab =

r

p

⇒ ab > 0 …(ii)
from (i) and (ii) we get
a < 0, b < 0.