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Mathematics
Problem
Determine the exact value of the series
∑
n
=
0
∞
7
(
−
0.2
)
n
\displaystyle \sum_{n=0}^{\infty} 7(-0.2)^{n}
n
=
0
∑
∞
7
(
−
0.2
)
n
. a)
−
35
6
-\dfrac{35}{6}
−
6
35
b)
35
4
\dfrac{35}{4}
4
35
c)
35
6
\dfrac{35}{6}
6
35
d)
−
7
6
-\dfrac{7}{6}
−
6
7
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