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Express the Sum Using Summation Notation 1w+s2w+s23w++sn1nw\frac { 1 } { w } + \frac { s } { 2 w } + \frac { s ^ { 2 } } { 3 w } + \ldots + \frac { s ^ { n - 1 } } { n w }

Question 235

Multiple Choice

Express the sum using summation notation.
- 1w+s2w+s23w++sn1nw\frac { 1 } { w } + \frac { s } { 2 w } + \frac { s ^ { 2 } } { 3 w } + \ldots + \frac { s ^ { n - 1 } } { n w }


A) k=1nskkw\sum _ { \mathrm { k } = 1 } ^ { \mathrm { n } } \frac { \mathrm { s } ^ { \mathrm { k } } } { \mathrm { kw } }

B) k=1nsk1kw\sum _ { k = 1 } ^ { n } \frac { s ^ { k - 1 } } { k w }

C) k=0n<b>kkw\sum _ { k = 0 } ^ { n } \frac { < b > k } { k w }

D) k=0nsk1kw\sum _ { \mathrm { k } = 0 } ^ { \mathrm { n } } \frac { \mathrm { s } ^ { \mathrm { k } - 1 } } { \mathrm { kw } }

Correct Answer:

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