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Cecilia's Random Thoughts
Monday, September 21, 2015
Fractionmia
Problem:
Solution:
1
x
+
1
1
x
+
1
1
x
−
1
1
x
−
1
=
1
x
+
x
1
+
x
1
x
−
x
1
−
x
=
1
+
x
+
x
2
x
(
1
+
x
)
1
−
x
−
x
2
x
(
1
−
x
)
=
1
+
x
+
x
2
1
+
x
1
−
x
−
x
2
1
−
x
=
(
1
+
x
+
x
2
)
(
1
−
x
)
(
1
−
x
−
x
2
)
(
1
+
x
)
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