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Mathematics
Mathematics
Problem
Calculate the value of
∑
k
=
1
10
(
2
k
+
3
)
\displaystyle \sum_{k=1}^{10} (2k+3)
k
=
1
∑
10
(
2
k
+
3
)
. a)
130
130
130
b)
126
126
126
c)
140
140
140
d)
150
150
150
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