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Show that
b
−
c
r
1
+
c
−
a
r
2
+
a
−
b
r
3
=
0.
\text{ Show that } \frac{b-c}{r_1} + \frac{c-a}{r_2} + \frac{a-b}{r_3} = 0.
Show that
r
1
b
−
c
+
r
2
c
−
a
+
r
3
a
−
b
=
0.
Problem
Show that
b
−
c
r
1
+
c
−
a
r
2
+
a
−
b
r
3
=
0.
\text{ Show that } \frac{b-c}{r_1} + \frac{c-a}{r_2} + \frac{a-b}{r_3} = 0.
Show that
r
1
b
−
c
+
r
2
c
−
a
+
r
3
a
−
b
=
0.
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