SOLUTION: 1,-2,-5,-8,....,-236 find the sum of ap
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Question 939407: 1,-2,-5,-8,....,-236 find the sum of ap
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
1,-2,-5,-8,....,-236
d = -3
an = 1 + (n-1)(-3) = -236, -3n = -234, n = 78
....
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