Question

Find the sum.

Answer 1

of.........................?

Answer 2

\[\sum_{k=3}^{6} k(k-2)\]

Answer 3

of that ^ :)

Answer 4

Whoa! No wonder it took you a while to put that in.. Sadly, I am no help. I'm sorry. Best of luck with that.

Answer 5

@KiwiBaby you can do it, it means add

Answer 6

I know what sum means in general, but I don't understand what to add to what in problems like those. Teach meeeeeeeeeeeeeeeeeeeee.. lol

Answer 7

replace \(k\) buy 3, put a plus sign, replace \(k\) by 4, put a plus sign, replace \(k\) by 5, put a plus sign, replace \(k\) by 6, then add

Answer 8

\[3(1)+4(2)+5(3)+6(4)\]