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Mathematics
Mathematics
Problem
Find the sum of the first
25
25
25
terms of the arithmetic progression
4
,
7
,
10
,
…
4,7,10,\dots
4
,
7
,
10
,
…
. a)
924
924
924
b)
1038
1038
1038
c)
1000
1000
1000
d)
950
950
950
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