How is the series 5, plus, 7, plus, 9, plus, dots, plus, 635+7+9+⋯+63 represented in summation notation?
Answer
Multiple Choice Answers
sum, from, r, equals, 1, to, 29, of, left bracket, 2, r, plus, 3, right bracket
r=1
∑
29
​
(2r+3)
sum, from, r, equals, 1, to, 59, of, left bracket, r, plus, 4, right bracket
r=1
∑
59
​
(r+4)
sum, from, r, equals, 1, to, 60, of, left bracket, r, plus, 4, right bracket
r=1
∑
60
​
(r+4)
sum, from, r, equals, 1, to, 30, of, left bracket, 2, r, plus, 3, right bracket
r=1
∑
30
​
(2r+3)