# i) Write a Sigma-notation summation for: the sum of the first n odd positive integers. For…

i) Write a Sigma-notation summation for: the sum of the first

n odd positive integers. For example, if n=4, it should sum like

this: 1 + 3 + 5 + 7.

ii) Starting with: 1+sum r^n, n=1 to infinity, rewrite it as

just one summation without the 1+ out front.

iii) Starting with: sum 1/n, n=1 to infinity, rewrite it as two

terms out front, and then the sum starting at n=3.

iv) Starting with: sum 1/(n+1), n=0 to 5, rewrite it to start

with n=1. Try thinking of it as a u-substitution? Here, we arent

talking about moving terms out front–keep it as one single

sum.