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Mathematics
Problem
The period of the function
f
(
x
)
f(x)
f
(
x
)
which satisfies the relation
f
(
x
)
+
f
(
x
+
4
)
=
f
(
x
+
2
)
+
f
(
x
+
6
)
f(x) + f(x+4) = f(x+2) + f(x+6)
f
(
x
)
+
f
(
x
+
4
)
=
f
(
x
+
2
)
+
f
(
x
+
6
)
is .....
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