ABC is an equilateral triangle let point P be inside triangle let D , E , F be feet of perpendiculars from P upon BC , CA, AB respectively Show that PD+PE+PF is independent of choice of P
Friday 29 March 2013
Wednesday 27 March 2013
simple problem on Triangle
ABC is a Right angled triangle with Orthocentre at A
Find the position of point P on the perimeter of triangle such that PA + PB + PC is Minimum
Monday 25 March 2013
Thursday 21 March 2013
Problem on parabola
From a point P(c,d) a tangent is drawn to the parabola
meeting the curve at T. Find length of projection of PT on tangent at vertex of the parabola.
Problem on straight line: Communicated by Sridhar Indharapu
The number of rational points on the line joining the points
 and (1, \sqrt{2}). "( \sqrt{3},1) and (1, \sqrt{2}).")
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