If A and B are (-6, 10) and (3, -8) respectively, find the coordinates of P such that AP = 2/9 AB and P lies on the line segment AB
a. (-4, 6)
b. (4, -6)
c. (4, 6)
d. (-4, -6)
Answers
Answered by
0
Answer:
option (b) is the correct answer
Step-by-step explanation:
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Answered by
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Given:- A line segment joining the points A(−2,−2) and B(2,−4). P is a point on AB such that AP=
7
3
AB.
Now,
AP=
7
3
AB(Given)
7AP=3(AP+BP)
7AP=3AP+3BP
⇒7AP−3AP=3BP
⇒
BP
AP
=
4
3
Therefore,
Point P divides AB internally in the ratio 3:4.
As we know that if a point (h,k) divides a line joining the point (x
1
,y
1
) and (x
2
,y
2
) in the ration m:n, then coordinates of the point is given as-
(h,k)=(
m+n
mx
2
+nx
1
,
m+n
my
2
+ny
1
)
Therefore,
Coordinates of P=(
3+4
3×(2)+4×(−2)
,
3+4
3×(−4)+4×(−2)
)=(
7
−2
,
7
−20
)
Hence, the coordinates of P are (
7
−2
,
7
−20
)
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