Question

What is the difference between 4Σn=1, 2n+1 and 4Σi=1, (2i+1)?

a. 0
b. 3
c. 4
d. 7

Answer 1

it is not 0 !!!

Explanation:

got it wrong bc of top answer

Answer 2

0

Explanation:

Each expression is a way to write the sum ...

3 + 5 + 7 + 9

That sum in each case is 24, so the difference is 24-24 = 0.