Class 11MathematicsPair of straight linesAngle between the pair of straight lines, Condition for parallel and perpendicular lines
MediumIf the lines represented by $(k^2+2) x^2+3 xy-6 y^2=0$ are perpendicular to each other,then the values of $k$ are
- A$\pm 3$
- B$\pm 4$
- C$\pm 1$
- D$\pm 2$
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