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 |

1 Answer - 5876 Votes

3537

**(b)**

Given equation is .

Let are the roots of the equation.

….(i)

and ...(ii)

Harmonic mean [from Eq. (ii)]