The coordinate of the point that divides the line segment joining the
points A and D in the ratio 2:3 internally are
Answers
Answered by
2
Answer:
(i) Internally: h=
m+n
mx
2
+nx
1
, k=
m+n
my
2
+ny
1
, l=
m+n
mx
2
+nx
1
h=
2+3
2(3)+3(1)
,k=
2+3
2(4)+3(−2)
,l=
2+3
2(−5)+3(3)
h=
5
9
,k=
5
2
,l=
5
−1
c(
5
9
,
5
2
,
5
−1
).
(ii) Externally:
h=
m−n
mx
2
−nx
1
,k=
m−n
my
2
−ny
1
,l=
m−n
mx
2
−nx
1
h=
2−3
2(3)−3(1)
,k=
2−3
2(4)−3(−2)
,l=
2−3
2(−5)−3(3)
h=
−1
3
,k=
−1
14
,l=
−1
−19
c(−3,−14,19).
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