Question

Can someone help me with this problem, i want to understand where the k variable comes from

Answer 1

You should probably talk with someone or look up sums online with pictures and graphs. Whatever we can explain in this text document won't be thorough, nor will it probably help you in the long run. Sorry

Answer 2

i understand everything else in this problem, all i want to know is why that variable k comes inot play what does it represent

Answer 3

it's just a place holder for your sigma value. You can put in any other variable.

Answer 4

oh, wow that is right, k /n would be and right hand value of the subinterval

Answer 5

and (k-1)/n would be or correspond to any left end point of the subtierval

Answer 6

hey, daniel# tanks alot