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The harmonic mean of the roots of the eq...

The harmonic mean of the roots of the equation `(5+sqrt(2))x^2-(4+sqrt(5))x+8+2sqrt(5)=0` is a. `2` b. `4` c. `6` d. `8`

A

2

B

4

C

6

D

8

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The correct Answer is:
B
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