Let 
be real. If 
has two real roots 
and 
, where 
and 
, then 
is
a)
<0
b)
>0
c)
d)
None of these
Let be real. If has two real roots and , where and , then is
a)
<0
b)
>0
c)
d)
None of these
Question ID - 103235 | SaraNextGen Top Answer
Let be real. If has two real roots and , where and , then is
a)
<0
b)
>0
c)
d)
None of these
|
Let |
|||||||
|
a) |
<0 |
b) |
>0 |
c) |
|
d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
From figure it is clear that, if 
, then 
and 
and if 
and 
. In both cases 
and 
.png)
and 
and 
[divide by 
]
127 votes
Answer Link
127