Complex Numbers And Quadratic Equations question 571
Question: If p and q are the roots of $ x^{2}+px+q=0, $ then [IIT 1995;AIEEE 2002; UPSEAT 2003;RPET 2001]
Options:
A) $ p=1,q=-2 $
B) $ p=-2,q=1 $
C) $ p=1,q=0 $
D) $ p=-2,q=0 $
Show Answer
Answer:
Correct Answer: A
Solution:
Obviously $ p+q=-p $ and $ pq=q\Rightarrow p=1 $ and $ q=-2 $ .
BETA
