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Mathematics
Mathematics
Problem
If
f
(
x
)
=
x
+
2
2
x
−
4
+
x
−
2
2
x
−
4
f(x) = \sqrt{x+2\sqrt{2x-4}} + \sqrt{x-2\sqrt{2x-4}}
f
(
x
)
=
x
+
2
2
x
−
4
+
x
−
2
2
x
−
4
, then the value of
10
f
′
(
102
+
)
10 f'(102^+)
10
f
′
(
10
2
+
)
, is a. -1 b. 0 c. 1 d. does not exist
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