Provide an Appropriate Response $\sum _ { \mathrm { k } = 3 } ^ { 5 } \frac { ( - 1 ) ^ { \mathrm { k } + 1 } } { \mathrm { k } + 1 }$

question 60

Multiple Choice

Provide an appropriate response.
-Which formula is not equivalent to the other two?
I. $\sum _ { \mathrm { k } = 3 } ^ { 5 } \frac { ( - 1 ) ^ { \mathrm { k } + 1 } } { \mathrm { k } + 1 }$
II. $\sum _ { k = 1 } ^ { 3 } \frac { ( - 1 ) ^ { \mathrm { k } + 3 } } { \mathrm { k } + 3 }$
III. $\sum _ { k = 2 } ^ { 4 } \frac { ( - 1 ) ^ { k - 1 } } { k - 1 }$

• A) I
• B) All are equivalent.
• C) III
• D) II

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