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Question
Mathematics
f(a) = log ( (2 + a/2 -a ) ) , 0 < a < 2 then (1/2) f ( (8a/4 +a2) ) =
Q.
f
(
a
)
=
lo
g
(
2
−
a
2
+
a
)
,
0
<
a
<
2
then
2
1
f
(
4
+
a
2
8
a
)
=
2182
219
Relations and Functions
Report Error
A
f
(
a
)
23%
B
2
f
(
a
)
39%
C
2
1
f
(
a
)
26%
D
−
f
(
a
)
12%
Solution:
2
1
f
(
4
+
a
2
8
a
)
=
2
1
lo
g
(
2
−
4
+
a
2
8
a
2
+
4
+
a
2
8
a
)
=
2
1
×
2
lo
g
(
2
−
a
2
+
a
)
=
f
(
a
)