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Questions
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CBSE XII
>>
Math
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Application of Derivatives
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Q)
At
x
=
5
6
,
f
(
x
)
=
2
sin
3
x
+
3
cos
3
x
is:
(
A
)
m
a
x
i
m
u
m
(
B
)
m
i
n
i
m
u
m
(
C
)
z
e
r
o
(
D
)
n
e
i
t
h
e
r
m
a
x
i
m
u
m
n
o
r
m
i
n
i
m
u
m
Share
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