Find the infinite sum of the geometric sequence with
a
1
=
4
\displaystyle {a}_{{1}}={4}
a
1
=
4
and
r
=
6
4
\displaystyle {r}=\frac{{6}}{{4}}
r
=
4
6
, if it exists. If the infinite sum does not exist, enter "DNE".
S
∞
=
\displaystyle {S}_{{\infty}}=
S
∞
=
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Enter DNE for Does Not Exist, oo for Infinity