A) Concurrent
B) Perpendicular
C) The sides of a rectangle
D) None of these
Correct Answer: D
Solution :
These lines cannot be the sides of a rectangle as none of these are parallel nor they are perpendicular. Now check concurrency \[\left| \,\begin{matrix} 1 & 2 & -3 \\ 3 & 4 & -7 \\ 2 & 3 & -4 \\ \end{matrix}\, \right|=1(-16+21)-2(2)-3(1)\ne 0\] Hence neither concurrent.You need to login to perform this action.
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