SOLUTION: Find the two-hundredth term of the sequence: 1, 5, 9, 13, . . . .

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Question 849382: Find the two-hundredth term of the sequence: 1, 5, 9, 13, . . . .
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

{1, 5, 9, 13,...}  Arithmetic Series  d = 4

S%5Bn%5D=%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29

S%5B200%5D=%28200%2F2%29%282%2A1+%2B+199%2A4%29= 79,800