pair-st-lines

Related Questions

• If two sides of a triangle are represented by ${{x}^{2}}-7xy+6{{y}^{2}}=0$ and the centroid is (1, 0) then the equation of third side is

  ---

• If $a{{x}^{2}}-{{y}^{2}}+4x-y=0$represents a pair of lines then $a=$

  ---

• Angle between the line joining the origin to the points of intersection of the curves $2{{x}^{2}}+3{{y}^{2}}+10x=0$ and $3{{x}^{2}}+5{{y}^{2}}+16x=0$ is

  ---

• If the lines represented by the equation $6{{x}^{2}}+41xy-7{{y}^{2}}=0$ make angles $\alpha $and $\beta $ with x-axis, then $\tan \alpha .\tan \beta $=

  ---

• The equation ${{x}^{2}}-7xy+12{{y}^{2}}=0$ represents

  ---