1998

JEE Main 1998 Mathematics question on Straight Lines and Pair of Lines

If the vertices P,Q,RP, Q, R of a △PQR\triangle PQR are rational points, which of the following points of the △PQR\triangle PQR is/are always rational point(s)
  1. A.
    centroid
  2. B.
    incentre
  3. C.
    circumcentre
  4. D.
    orthocentre
Show answer

Correct option: A

[1998]

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