Express the Sum Using Summation Notation $$6 ^ { 2 } + 12 ^ { 3 } + 18 ^ { 4 } + \ldots + 48 ^ { 9 }$$

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$6 ^ { 2 } + 12 ^ { 3 } + 18 ^ { 4 } + \ldots + 48 ^ { 9 }$$

A) $\sum _ { i = 1 } ^ { 8 } 6 i ^ { 2 i } - 1$
B) $\sum _ { i = 1 } ^ { 8 } ( 6 i ) ^ { i } + 1$
C) $\sum _ { \mathrm { i } = 1 } ^ { 8 } 2 ( \mathrm { i } - 1 ) ^ { \mathrm { i } + 1 }$
D) $\sum _ { \mathrm { i } = 1 } ^ { 8 } ( 6 \mathrm { i } ) ^ { \mathrm { i } }$

Correct Answer:

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