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Consider a quadratic equation az^(2)bz+c...

Consider a quadratic equation `az^(2)bz+c=0,` where a,b and c are complex numbers.
The condition that the equation has one purely real root, is

A

`(abarb-barac)(b barc+barbc)+(cbara-barca)^(2)=0

B

`(abarb+barab)(b barc+barbc)+(cbara-barca)^(2)=0`

C

`(abarb-barab)(b barc-barbc)+(cbara+barca)^(2)=0`

D

`(abarb+barab)(b barc-barbc)+(cbara-barca)^(2)=0`

Text Solution

Verified by Experts

The correct Answer is:
b
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