Write the Series in Summation Notation $$z ^ { 5 } + z ^ { 10 } + z ^ { 15 } + z ^ { 20 } + z ^ { 25 }$$

question 11

Multiple Choice

Write the series in summation notation. $$z ^ { 5 } + z ^ { 10 } + z ^ { 15 } + z ^ { 20 } + z ^ { 25 }$$

• A) \(\sum _ { j = 1 } ^ { 5 } z ^ { 5 j }\)
• B) \(\sum _ { j = 5 } ^ { 25 } z ^ { j }\)
• C) \(\sum _ { j = 5 } ^ { 9 } z ^ { j }\)
• D) \(\sum _ { j = 1 } ^ { 25 } z ^ { 5 j }\)