Which of the following represents the sum of the series?

6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26

11

S11 =

= 26 + (k-1) 2

X=1

11

S11 = 22 + (k-1) 6

k=1

11

S11 = 32+6K

=1

11

S11 = 26+2k

X=1

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