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CBSE XII
>>
Math
>>
Relations and Functions
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Q)
Let f:
R
→
R
be the functions defined by
f
(
x
)
=
x
3
+
5.
Then
f
−
1
(
x
)
is
(
A
)
(
x
+
5
)
1
3
(
B
)
(
x
−
5
)
1
3
(
C
)
(
5
−
x
)
1
3
(
D
)
5
−
x
Share
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