Answer:
, where n is a natural number.
Explanation:
A series can be represented in a summation or sigma notation.
Greek capital letter, ∑ (sigma), is used to represent the sum.
For example:
, where n is a natural number.
The given series : 1,4,9,16 which can be written as
.
So , we can write it as
, where n is a natural number.