If the nth partial sum of a sequence an is given by
(will attach in a sec!!)

then what does an equal?

a. 8 + 14 + 20 + 26 + ... + 6n + 2

b. 6n + 2

c. 8 + 10 + 12 + 6n + 2

d. 6n
*** please explain cuz i don't understand this AT ALL! :(

Question

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

anonymous · Answer

attachment

anonymous · Answer

well the funny e sign mean sigma,meaning adding

anonymous · Answer

oh okay... :)

anonymous · Answer

so we are starting from k=1 to n

anonymous · Answer

|dw:1347216776427:dw| if that's easier for you to see :)