Find the Value of the Specified fiNite Sum A) -21
B) 21
C) 1
D) -1

question 43

Multiple Choice

Find the value of the specified finite sum.
- $$\text { Given } \sum _ { \mathrm { k } = 1 } ^ { \mathrm { n } } \mathrm { a } _ { \mathrm { k } } = - 3 \text {, find } \sum _ { \mathrm { k } = 1 } ^ { \mathrm { n } } 7 \mathrm { a } _ { \mathrm { k } }$$

• A) -21
• B) 21
• C) 1
• D) -1

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Definitions:

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