st-line

Related Questions

• If p and $p'$be the distances of origin from the lines $x\sec \alpha +y \text{cosec }\alpha =k$ and $x\cos \alpha -y\sin \alpha =k\cos 2\alpha $, then $4{{p}^{2}}+{{{p}'}^{2}}$=

  ---

• If the length of the perpendicular drawn from the origin to the line whose intercepts on the axes are a and b be p, then

  ---

• The equation of the line joining the origin to the point (– 4, 5), is

  ---

• The equation of a line through $(3,\,-4)$ and perpendicular to the line $3x+4y=5$ is

  ---

• If for a variable line $\frac{x}{a}+\frac{y}{b}=1$, the condition $\frac{1}{{{a}^{2}}}+\frac{1}{{{b}^{2}}}=\frac{1}{{{c}^{2}}}$ (c is a constant) is satisfied, then locus of foot of perpendicular drawn from origin to the line is

  ---