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If the ratio of the roots of the equatio...

If the ratio of the roots of the equation `px^2+qx+r` is a:b,
then `ab/(a+b)^2`=

A

`p^2/(qr)`

B

`(pr)/q^2`

C

`q^2/(pr)`

D

`(pq)/r^2`

Text Solution

Verified by Experts

The correct Answer is:
B
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