http://i2.photobucket.com/albums/y22/sp21/dsafdsf-1.jpg

The sum is ∑ i=1 to n of

multiplying it out:

(*formatting is weird, there should be an n and i=1 around the ∑ and the limit goes all the way down)

lim

n-> infinity ∑

n-> infinity ∑ ∑i +

n-> infinity ∑

=

Answer should be6.