math11 question! !!!!!!!!!!!!!!!!!!!!!?

[kelly l]

what is the conjugate of 3+root 5 ???

 

[peace & luv]

OMG what math are you in?

 

[superstar]

2 plus seven equals ninety nine soooooooooo i think its five

 

[hayharbr]

3 - √5

Just change the sign in between