# Core Pure - Series Flashcards

What is the formula for **the sum of a series of constant terms?**

WHERE X IS AN ACTUAL NUMBER (NOT ALGEBRAIC)

What is the formula for **the sum of a series of the first n natural numbers?**

How do you find the sum of a series that does not begin at r = 1?

What are the 2 ways to rearrange sigma notations?

WHERE K IS AN ACTUAL NUMBER (NOT ALGEBRAIC)

What is the formula for **the sum of a series of the squares of the first n natural numbers?**

What is the formula for **the sum of a series of the cubes of the first n natural numbers?**

What is the formula for **the sum of a series of a complex number raised to n (from 1 to n)**?

What is the formula for **the sum of a series of a complex number raised to n (from 0 to n-1)**?

What is the formula for **the sum of a series of a complex number raised to n (from 1 to infinity)**?