SOLUTION: The sum of first 40 terms of the series 2+10+30+66+130........is
A)583210
B)615340
c)648620
d)673220
Algebra.Com
Question 892356: The sum of first 40 terms of the series 2+10+30+66+130........is
A)583210
B)615340
c)648620
d)673220
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!
What's the pattern to the terms of the series? Do you know?
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