You are adding two rational numbers with different signs. How can you tell if the sum will be positive negative or zero
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Answer: , where n is a natural number.
Step-by-step 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.