CBSE Class 10 Answered
Double ordinate of parabola y2 = 4ax. Find the locus of point of trisection
Asked by deepakagarwal1024 | 24 Dec, 2018, 09:15: AM
Expert Answer
Let us take two ordinate points P(x1, y1) and Q(x1 , -y1) on parabola.
Let a point R, with coordinate (xp , yp) be a trisection point that trisects PQ.
since PR:QR = 1:2 ,
Hence trisection points on both side of axis are (x1 , y1/3 ) and (x1 , -y1/3 )
hence locus is y2 = (4/9)ax
Answered by Thiyagarajan K | 27 Dec, 2018, 06:24: PM
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