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Mathematics
Mathematics
Problem
Given
f
(
x
)
=
x
2
e
x
1
+
cos
x
f(x)=\dfrac{x^{2}e^{x}}{1+\cos x}
f
(
x
)
=
1
+
cos
x
x
2
e
x
, determine
f
′
(
x
)
f'(x)
f
′
(
x
)
and simplify your result.
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