The distance between orthocentre and circumcentre of the triangle formed by `(1,2,3), (3,-1,5), (4,0, -3)` is

The distance between the circumcentre and the orthocentre of the triangle formed by (1,2,3),(3,-1,5),(4,0,-3) is

The circumcentre of the triangle formed by (-2,3),(2,-1) and (4,0) is

The distance between orthocentre and circumcentre of an equilateral triangle is

The distance between orthocentre and circumcentre of an equilateral triangle is

The orthocentre of the triangle formed by (-1, -3), (-1, 4), (5, -3) is