# Maths

posted by
**Mary**
.

what is the value of "a" if the equation (9+i)x^2+(a-i)x+36-2i=0 has

real roots?

posted by
**Mary**
.

what is the value of "a" if the equation (9+i)x^2+(a-i)x+36-2i=0 has

real roots?