Doubt from quadratic equations

A option?

Ans is given c

Yep correct i was just guessing without solving😁
Option c

Please tell your method

U make make two cases
(1) - all real root (-x,-y,-z)
(2)- Other imaginary one but not necessay
Then vietas relation see signs

i am getting this ,but it is not matching C as answer

If I consider all roots as negative
I get acd have same sign.

1 Like

Ignore previous post
Several silly mistakes spotted

By writing all the 3 equations of roots i am getting A as the ans

Option C

I think you made a mistake here should be plus.


Thanks then ABCD all have same sign