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Byju's Answer
Standard XII
Mathematics
Definition of Functions
If f x = x3...
Question
If
f
(
x
)
=
x
3
+
3
x
2
−
2
x
+
4
,
find
f
(
−
2
)
+
f
(
2
)
−
f
(
0
)
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Solution
f
(
x
)
=
x
3
+
3
x
2
−
2
x
+
4
f
(
−
2
)
=
(
−
2
)
3
+
3
×
(
−
2
)
2
−
2
×
(
−
2
)
+
4
=
−
8
+
3
×
4
−
2
×
−
2
+
4
=
−
8
+
12
+
4
+
4
=
12
f
(
2
)
=
2
3
+
3
×
2
2
−
2
×
2
+
4
=
8
+
3
×
4
−
4
+
4
=
8
+
12
=
20
f
(
−
2
)
+
f
(
2
)
−
f
(
0
)
=
12
+
20
−
4
=
32
−
4
=
28
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