Complex Numbers And Quadratic Equations question 428
Question: $ a+ib>c+id $ can be explained only when
Options:
A) $ b=0,c=0 $
B) $ b=0,d=0 $
C) $ a=0,c=0 $
D) $ a=0,d=0 $
Show Answer
Answer:
Correct Answer: B
Solution:
$ a+ib>c+id $ , it is defined if and only if imaginary parts must be equal to zero. Therefore $ ib=id=0 $ Þ $ b=d=0 $ $ (\because i\ne 0) $
BETA
