Which of the following sequences are convergent sequences? Select all that apply.
a
n
=
1
4
+
(
−
1
)
n
\displaystyle {a}_{{n}}=\frac{{1}}{{{4}}}+{\left(-{1}\right)}^{{n}}
a
n
=
4
1
+
(
−
1
)
n
a
n
=
1
n
\displaystyle {a}_{{n}}=\frac{{1}}{{n}}
a
n
=
n
1
a
n
=
4
n
n
4
\displaystyle {a}_{{n}}=\frac{{4}^{{n}}}{{n}^{{{4}}}}
a
n
=
n
4
4
n
a
n
=
1
4
\displaystyle {a}_{{n}}=\frac{{1}}{{4}}
a
n
=
4
1
a
n
=
4
\displaystyle {a}_{{n}}={4}
a
n
=
4
a
n
=
cos
(
n
)
n
\displaystyle {a}_{{n}}=\frac{{\cos{{\left({n}\right)}}}}{{n}}
a
n
=
n
cos
(
n
)
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