Question

sequences and series question :) calc II

Answer 1

enter a formula for \[(\sum_{i=1}^{n}i)^{2}-\sum_{i=1}^{n}i^3= (insert answer here)\] where n is a positive integer

Answer 2

I don't remember going over anything like this in class. I'm assuming there's some type of property for subtracting sums or something?

Answer 3

Both of these series have simple partial sums.

Answer 4

Just evaluate the partial sums and subtract them.

Answer 5

And simplify if you can.

Answer 6

okay thanks :)