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Mathematics
Mathematics
Problem
2. Show that points
A
(
a
,
b
+
c
)
,
B
(
b
,
c
+
a
)
,
C
(
c
,
a
+
b
)
\mathrm{A}(a, b+c), \mathrm{B}(b, c+a), \mathrm{C}(c, a+b)
A
(
a
,
b
+
c
)
,
B
(
b
,
c
+
a
)
,
C
(
c
,
a
+
b
)
are collinear.
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