Question

In what ratio does the point p(1,2) divide the point A(2,-1) and B(7,4)

Answer 1

the reqired ratio is.
(mx2+nx1)/m+n , (my2+ny1)/ m+n
where m=1 and n=2
(7+4)/3 ; (4-2)/3
7/3 ; 2/3
ratio will be 7/3:2/3
or 7:2