Class 11MathematicsPair of straight linesAngle between the pair of straight lines, Condition for parallel and perpendicular lines
EasyWhich of the following equations represents a pair of perpendicular straight lines?
- A$y^2 + xy - x^2 = 0$
- B$y^2 - xy + x^2 = 0$
- C$x^2 + xy + y^2 = 0$
- D$x^2 + xy - 2y^2 = 0$
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The equation $(2p-3)x^2 + 2pxy - y^2 = 0$ represents a pair of distinct lines:
The angle between the lines represented by the equation $4x^2 - 24xy + 11y^2 = 0$ is given by:
Medium
View SolutionIf the angle between the lines represented by the equation $y^2 + kxy - x^2 \tan^2 A = 0$ is $2A$,then $k = $
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View SolutionIf the slopes of both the lines given by $x^2 + 2hxy + 6y^2 = 0$ are positive and the angle between these lines is $\operatorname{Tan}^{-1}\left(\frac{1}{7}\right)$,then find the value of $h$.
DifficultAP EAMCET 2025
View SolutionThe angle between the lines represented by $(\sin ^2 \alpha) y^2 - 2xy(\cos ^2 \alpha) + (\cos ^2 \alpha - 1) x^2 = 0$ is
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