Find the Sum $\sum _ { i = 3 } ^ { 6 } \frac { \left( i ^ { 2 } - 3 \right) } { 2 }$

question 13

Multiple Choice

Find the sum.
- $\sum _ { i = 3 } ^ { 6 } \frac { \left( i ^ { 2 } - 3 \right) } { 2 }$

• A) 39
• B) 20
• C) 74
• D) 37

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Definitions:

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