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Mathematics
Mathematics
Problem
y
=
x
sin
(
2
x
)
y = x \sin(2x)
y
=
x
sin
(
2
x
)
, find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
sin
2
x
+
cos
2
x
\sin 2x + \cos 2x
sin
2
x
+
cos
2
x
sin
2
x
+
x
cos
2
x
\sin 2x + x \cos 2x
sin
2
x
+
x
cos
2
x
sin
2
x
−
cos
2
x
\sin 2x - \cos 2x
sin
2
x
−
cos
2
x
sin
2
x
+
2
x
cos
2
x
\sin 2x + 2x \cos 2x
sin
2
x
+
2
x
cos
2
x
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