Two roots of a 3-degree polynomial equation are 5 and -5. Which of the following cannot be the third root of the equation? a.5 b.5i c.0 d.-5 e.-5i

Question

gorv · Answer

complex root alwys occur in pair ...

gorv · Answer

we need only one root ..so it can not be which one ??

anonymous · Answer

idk that is the question lol

gorv · Answer

complex root will always be in pair  2  4  6  8 ..their can not be only one complex root

gorv · Answer

do u have any complex root in Q ??

anonymous · Answer

I don't know that is the only thing I was given to answer this

anonymous · Answer

if it is a complex root then 0 wouldn't have a pair so it is probably 0 right?

gorv · Answer

number with i are called complex root

gorv · Answer

u need only one root so it could only a real number

gorv · Answer

pair means ..like shoes alwys used in pair ..that is u will alwys use 2 shoes

gorv · Answer

u got me ??

anonymous · Answer

no not really

gorv · Answer

an complex root be ur ans ??

anonymous · Answer

oh okay i get it