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Mathematics
Mathematics
Problem
For
y
=
x
sin
x
x
+
1
y=\dfrac{x\sin x}{x+1}
y
=
x
+
1
x
sin
x
(
x
≠
−
1
)
(x\neq-1)
(
x
=
−
1
)
, calculate
d
y
d
x
\dfrac{dy}{dx}
d
x
d
y
at
x
=
π
x=\pi
x
=
π
.
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