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Mathematics
Mathematics
Problem
Determine the value of
f
′
(
π
)
\displaystyle f'(\pi)
f
′
(
π
)
if
f
(
x
)
=
x
sin
x
f(x)=x\sin x
f
(
x
)
=
x
sin
x
. a)
0
0
0
b)
π
\pi
π
c)
−
π
-\pi
−
π
d)
−
1
-1
−
1
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