SOLUTION: What is the sum of 2+4+6+8+10+12 using the formula for the partial sum of arithmetic series?
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Question 603569: What is the sum of 2+4+6+8+10+12 using the formula for the partial sum of arithmetic series?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
S = (n*(a1 + an))/2
S = (6*(2+12))/2
S = 6*14/2
S = 84/2
S = 42
So 2+4+6+8+10+12 = 42
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