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ISC
MATHEMATICS · Single correct · ISC · Mathematics · Algebra · Algebra
Problem
Calculate
∑
k
=
1
15
(
k
2
+
3
k
+
2
)
\displaystyle \sum_{k=1}^{15}(k^{2}+3k+2)
k
=
1
∑
15
(
k
2
+
3
k
+
2
)
. (a)
1600
1600
1600
(b)
1585
1585
1585
(c)
1630
1630
1630
(d)
1650
1650
1650
Related theory
Special Series
Sequences and series
Special sums
Algebra
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