Question

Express the series in summation notation.
2 + 4 + 6 + 8 + 10 + 12

Answer 1

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Answer 2

We can verify each sum by checking for the sum of one term, which is 2:

• A. n = 1 ⇒ 2*1 = 2, correct
• B. n = 1 ⇒ 2(2) = 4, incorrect
• C. n = 1 ⇒ 1 + 2 = 3, incorrect

So A is the correct choice