Question

A(3,-1), B(1, 3), C(2, 4) are vertices of AABC, if D is centroid of AABC
and P is point of intersection of lines x + 3y - 1 = 0 and 3x - y + 1 = 0 then
which of the following points lies on line joining D and P​

Answer 1

Answer:

A (3,–1), B(1,3), C(2,4) are vertices of ΔABC if D is centroid of ΔABC and P is point of intersection of lines x + 3y – 1 = 0 and 3x – y + 1 = 0 then which of the following points lies on line joining D and P

(1) (–9,–7)

(2) (–9,–6)

(3) (9,6)

(4) (9, -6)