Question

Express the series in summation notation.

2 + 4 + 6 + 8 + 10 + 12

Answer 1

Since these are all multiples of 2, you take the first number and multiply by 1, then move up the sequence. the smallest is 2, and the largest is 12. \[\sum_{i=1}^{6} (2n)\]

Answer 2

Thnaks!

Answer 3

np