The harmonic mean of the roots of the equation 
is
a)
2
b)
4
c)
6
d)
8
The harmonic mean of the roots of the equation is
a)
2
b)
4
c)
6
d)
8
Question ID - 103948 | SaraNextGen Top Answer
The harmonic mean of the roots of the equation is
a)
2
b)
4
c)
6
d)
8
|
The harmonic mean of the roots of the equation |
|||||||
|
a) |
2 |
b) |
4 |
c) |
6 |
d) |
8 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
Given equation is 
.
Let 
are the roots of the equation.
….(i)
and 
...(ii)
Harmonic mean 
[from Eq. (ii)]
127 votes
Answer Link
127