A) Coincident
B) Parallel
C) Mutually perpendicular
D) Imaginary
Correct Answer: D
Solution :
. \[{{x}^{2}}+{{y}^{2}}+xy=0\Rightarrow (x-\omega y)(x-{{\omega }^{2}}y)=0\] \[1,\ \omega ,\ {{\omega }^{2}}\] are cube roots of unity. Hence the lines are imaginary.
You need to login to perform this action.
You will be redirected in
3 sec
