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Mathematics
Mathematics
Problem
If
y
=
e
a
x
cos
(
b
x
+
c
)
y = e^{ax} \cos(bx + c)
y
=
e
a
x
cos
(
b
x
+
c
)
, find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
.
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