Questions
The locus of the mid-point of the portion intercepted between the axes by the line x cos sin , where is a constant, is
detailed solution
Correct option is B
The line xcosα+ysinα=p meets the coordinate axes at Aμcosα,0 and B0,psinα. Let (h, k) be the coordinates of the mid point of the portion AB intercepted between the axes by the line x cos a+ y sin od=p.Thenph=cosα2,k=0+sinα2⇒ cosα=p2h,sinα=p2k⇒ cos2α+sin2α=p24h2+p24k2⇒ p24h2+p24k2=1Hence, the locus of (h, k) isp24x2+p24y2=1 or, 1x2+1y2=tp2Talk to our academic expert!
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If the equation of the locus point equidistant from the points and is then the value of c is
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