If 
be the ratio of the roots of the quadratic equation in x, 3m2x2+m(m – 4 )x+2 = 0, then the least value of m for which 
+ 
= 1, is :
a.
2 –
b.
4 – 3
c.
− 2 +
d.
4 – 2 
be the ratio of the roots of the quadratic equation in x, 3m2x2+m(m – 4 )x+2 = 0, then the least value of m for which + = 1, is :a.
2 –
b.
4 – 3
c.
− 2 +
d.
4 – 2
Question ID - 57206 | SaraNextGen Top Answer If be the ratio of the roots of the quadratic equation in x, 3m2x2+m(m – 4 )x+2 = 0, then the least value of m for which + = 1, is :
a.
2 –
b.
4 – 3
c.
− 2 +
d.
4 – 2
If be the ratio of the roots of the quadratic equation in x, 3m2x2+m(m – 4 )x+2 = 0, then the least value of m for which + = 1, is :
|
a. |
2 – |
b. |
4 – 3 |
|
c. |
− 2 + |
d. |
4 – 2 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
3m2x2 + m(m – 4) x + 2 = 0
+ 
= 1, 
+ 
= 1, 
=
= 3
= 
, 
= 
(m – 4 )2 = 18, m = 4
, 4
127 votes
Answer Link
127