Let 
The number of equations of the form 
having real roots, is
a)
15
b)
9
c)
7
d)
8
Let The number of equations of the form having real roots, is
a)
15
b)
9
c)
7
d)
8
Question ID - 103268 | SaraNextGen Top Answer
Let The number of equations of the form having real roots, is
a)
15
b)
9
c)
7
d)
8
|
Let |
|||||||
|
a) |
15 |
b) |
9 |
c) |
7 |
d) |
8 |
1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
We have, 
, for real roots discriminant 
For 
Total seven solutions are possible.
127 votes
Answer Link
127