For the given general term an, write an expression using $\Sigma$ to represent the indicated p to represent the indicated partial sum.
-$a _ { n } = 2 - 6 n,$ third partial sum
A) $\sum _ { i = 1 } ^ { n } 2 - 6 i$
B) $\sum _ { i = 1 } ^ { 3 } 2 - 6 i$
C) $\sum _ { i = 0 } ^ { 2 } 2 - 6 i$
D) $\sum _ { i = 0 } ^ { 3 } 2 - 6 i$

Question

Quizplus · Accepted Answer

The third partial sum involves summing the first three terms of the sequence, which is correctly represented by option B, where the summation index starts at 1 and goes up to 3, matching the definition of a third partial sum for the given sequence.

For the Given General Term An, Write an Expression Using Σ\SigmaΣ

For the Given General Term An, Write an Expression Using $\Sigma$