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If the equation (a^(2)+b^(2))x^(2)-2(ac+...

If the equation `(a^(2)+b^(2))x^(2)-2(ac+ba)x+(c^(2)+d^(2))=0` has equal roots, then which one of the following is correct?

A

`ad=bc `

B

`ab=cd`

C

`ad=sqrt(bc)`

D

`ab=sqrt(cd)`

Text Solution

Verified by Experts

The correct Answer is:
A
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