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Related Questions

• The equations of the lines which pass through the origin and are inclined at an angle ${{\tan }^{-1}}m$ to the line $y=mx+c,$ are

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• If $u={{a}_{1}}x+{{b}_{1}}y+{{c}_{1}}=0,$ $v={{a}_{2}}x+{{b}_{2}}y+{{c}_{2}}=0$ and $\frac{{{a}_{1}}}{{{a}_{2}}}=\frac{{{b}_{1}}}{{{b}_{2}}}=\frac{{{c}_{1}}}{{{c}_{2}}},$ then the curve $u+kv=0$ is

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• The distance of point (–2, 3) from the line $x-y=5$is

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• The point $P\,(a,\ b)$ lies on the straight line $3x+2y=13$ and the point $Q\ (b,\ a)$ lies on the straight line $4x-y=5,$ then the equation of line PQ is

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• The product of the perpendiculars drawn from the points $(\pm \sqrt{{{a}^{2}}-{{b}^{2}},}0)$ on the line$\frac{x}{a}\cos \theta +\frac{y}{b}\sin \theta =1$, is

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