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Mathematics
Mathematics
Problem
Show that the function
p
(
x
)
=
e
x
+
cos
x
1
+
e
x
cos
x
p(x)=\dfrac{e^{x}+\cos x}{1+e^{x}\cos x}
p
(
x
)
=
1
+
e
x
cos
x
e
x
+
cos
x
is continuous on the entire real line.
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