Which of the following represents the sum of the series? 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26 the answer is: s11= (11ek=1) 6+(k-1)2

Not sure what you mean by "the answer is: ", which is definitely each successive term differs by 2. if we assign to the first term, then we can writeand so on, with the general -th term given bythe sum of the first 11 terms of this arithmetic sequence isif you're supposed to find the value of the sum, then we havefrom which we get