If the nth partial sum of a sequence an is given by
(will attach in a )
then what does an equal?
a. 8 + 14 + 20 + 26 + + 6n + 2
b. 6n + 2
c. 8 + 10 + 12 + 6n + 2
d. 6n
*** explain cuz i don't understand this at all! : (

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