Let H be the orthocentre of an acute angled triangle ABC and O be its circumcenter.Then HA+HB+HC equal to HO equal to 3HO equal to 2HO not a scalar multiple of HO in general

2 Answers

Manish Shankar ·

Use the fact that centroid divides HO in the ratio 2:1

Soumyadeep Basu ·

In the question, HA, HB, HC and HO are vectors.

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