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Mathematics
Mathematics
Problem
If
f
(
x
)
=
sin
{
π
3
[
x
]
−
x
2
}
f(x) = \sin \left\{ \frac{\pi}{3} [x] - x^2 \right\}
f
(
x
)
=
sin
{
3
π
[
x
]
−
x
2
}
for
2
<
x
<
3
2 < x < 3
2
<
x
<
3
and
[
x
]
[x]
[
x
]
denotes the greatest integer less than or equal to
x
x
x
, then
f
′
(
π
/
3
)
f'(\sqrt{\pi/3})
f
′
(
π
/3
)
is equal to a.
π
/
3
\sqrt{\pi/3}
π
/3
b.
−
π
/
3
-\sqrt{\pi/3}
−
π
/3
c.
−
π
-\sqrt{\pi}
−
π
d. None of these
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