if the origin is the centroid of ∆ PQR with vertices P( 2a, 2, 6 ) , Q ( -4 , 3b ,-10) and R ( 8, 14 ,2c), then find the value of a, b and c.
if the origin is the centroid of ∆ PQR with vertices P( 2a, 2, 6 ) , Q ( -4 , 3b ,-10) and R ( 8, 14 ,2c), then find the value of a, b and c.