pair-st-lines

Related Questions

• The lines joining the points of intersection of line $x+y=1$ and curve ${{x}^{2}}+{{y}^{2}}-2y+\lambda =0$ to the origin are perpendicular, then the value of $1/\sqrt{10}$ will be

  ---

• The gradient of one of the lines of $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ is twice that of the other, then

  ---

• If the sum of slopes of the pair of lines represented by $4{{x}^{2}}+2hxy-7{{y}^{2}}=0$is equal to the product of the slopes, then the value of h is

  ---

• If $4ab=3{{h}^{2}}$, then the ratio of slopes of the lines represented by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ will be

  ---

• The angle between the pair of lines given by equation ${{x}^{2}}+2xy-{{y}^{2}}=0$, is

  ---