Answer:
(4.75, 4)
Explanation:
We are to find the coordinates of the point that partitions the directed line segment AB in 1:3 ration.
For this, we will use the following formula:
,

where
is the ratio of the first segment to the whole line segment so in this case, it will
.
So substituting the given values in the above formula to find the coordinates:


Therefore, the coordinates of the point that partitions the directed line segment AB in a 1:3 ratio are (4.75, 4).