Express the Sum Using Summation Notation $$\frac { 1 } { 3 } + \frac { 1 } { 2 } + \frac { 3 } { 5 } + \ldots + \frac { 6 } { 7 }$$

question 86

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$\frac { 1 } { 3 } + \frac { 1 } { 2 } + \frac { 3 } { 5 } + \ldots + \frac { 6 } { 7 }$$

• A) \(\sum _ { i = 2 } ^ { 12 } \frac { i } { i + 1 }\)
• B) \(\sum _ { i = 1 } ^ { n } \frac { i } { i + 2 }\)
• C) \(\sum _ { i = 0 } ^ { 12 } \frac { i } { i + 2 }\)
• D) \(\sum _ { i = 1 } ^ { 12 } \frac { i } { i + 2 }\)

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